Which of the following fractions makes the number sentence true?
2/7 * _ = 2/7

A. 2/5

B. 5/2

C. 5/5

D. 4/4

Answers

Answer 1
C hope this works well

Related Questions

If y = 4x + 3 is changed to y = 7x-1, how would the graph of the new function compare with the first
one? Describe its steepness and how it might shift.

Answers

The line is going to be steeper because the slope is bigger. The line shifts 4 units down.

Can yall pls help with this

Answers

Answer:

x=7

Step-by-step explanation:

Quadrilateral ABCD is a kite with an area of 14 cm?. The length
of ED is 5 cm. What is the length of BE?
B
E
2 cm
С
2 cm
5 cm
(not drawn to scale)
D
A
7 cm
B
2 cm
С
4 cm
D 3 cm

Answers

b e 2 cm because of the area you are doing it

Bozena is an ecologist who studies the change in the tiger population of Siberia over time. The relationship between the elapsed time t tt, in years, since Bozena started studying the population, and the number of tigers, N ( t ) N(t)N, left parenthesis, t, right parenthesis, is modeled by the following function: N(t)=537⋅(0.35)t2 Complete the following sentence about the rate of change in the tiger population. The population of tigers loses 65 % 65%65, percent of its size every years.

Answers

Answer:

every 2 years

Step-by-step explanation:

since it is t/2 for the exponent - thas the answer on khan

The rate of change in the population of the Siberian tigers loses 65% every two years.

What is an exponent?

Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.

Bozena is an ecologist who studies the change in the tiger population of Siberia over time. The relationship between the elapsed time t, in years, since Bozena started studying the population, and the number of tigers, N(t), is modeled by the following function:

[tex]\rm N(t)=537\times (0.35)^{t/2}[/tex]

Then it is clear that the population of the Siberian tigers loses 65% of its size every two years.

More about the exponent link is given below.

https://brainly.com/question/5497425

#SPJ2

please solve the given equation ​

Answers

Answer:

noooooooooooooo to show and see

Ummmmm no thank youu

Tonya buys a new Fujifilm Instax Mini for a price of $54.95. What is the total amount her credit card is charged if the sales tax is 7.25%

Answers

Answer:

Step-by-step explanation:58.93

Evaluate (x + y)for x= -3 and y= 5.
A.-1/2
B.0
C.1
D.2

Answers

It’s D
Proof:
(-3 + 5 = 2)
-3+5=2. D is the answer

An isosceles triangle has angle measures of (2x degrees) and (5x degrees). What are three possible angle measures of the triangle? Show all work.

Answers

Answer:

[tex]40^{\circ},\:40^{\circ},\: 100^{\circ}[/tex]

Step-by-step explanation:

The interior angles of any triangle always add up to [tex]180^{\circ}[/tex]. In an isosceles triangle, (at least) two sides are congruent and therefore their base angles are also congruent. We can then form the following equation:

[tex]2x+2x+5x=180[/tex], where [tex]x[/tex] is some constant.

Solving, we get:

[tex]9x=180,\\x=20[/tex]

Therefore, plugging our constant back in, our angles are:

[tex]2(20),\: 2(20), \: 5(20), \\\fbox{$40^{\circ},\:40^{\circ},\: 100^{\circ}$}[/tex].

Note this is only one group of possible angles. We could've also set the angle represented by [tex]5x[/tex] to be the pair of angles that are congruent, and depending on your definition of isosceles, each angle measure could be [tex]60^{\circ}[/tex] (equilateral).

Answer:

100, 40, 40

Step-by-step explanation:

First, do 2x+2x+5x because an isosceles triangle has two equal angles. We know that a triangle's total angle is 180 degrees so we do 180/9=20 x=20. Then multiply 2 by 20 to get 40. Then multiply 5 by 20 to get 100. So you get 40 40 100.

Jackie has already baked 17 pies, and she can bake 1 pie with each additional cup of sugar she buys.
With 18 additional cups of sugar, how many total pies can Jackie bake?

Answers

Answer:

35 pies

Step-by-step explanation:

17 + 18 = 35 pies

18 cups of sugar = 18 pies

PLEASE HELPPP!!!Which function passes through the points 2,15 and 3,26?

Answers

Answer:

B. y = 11x - 7

Step-by-step explanation:

first we find the slope by using the formula

[tex]m = \frac{y_{2} -y_{1} }{x_{2}-x_{1} }[/tex]

Now let (2,15) be [tex](x_{1}, y_{1} )[/tex] , and (3, 26) be [tex](x_{2} , y_{2} )[/tex].  So now the slope is equal too.....

[tex]m = \frac{y_{2} -y_{1} }{x_{2}-x_{1} }= \frac{26 - 15}{3-2} = \frac{11}{1} = 11[/tex]

Now we use the slope-point form of the equation and obtain the following....

[tex]y - y_{1} = m(x - x_{1} )\\y - 15 = 11(x - 2)\\y - 15= 11x -22\\y = 11x - 22 + 15\\y = 11x - 7[/tex]

It rained 0.72 inches on Monday. On Tuesday, it rained 0.34 inches less than on Monday.
How much did it rain on Tuesday?

Answers

Answer:0.38 inch

Step-by-step explanation: If it rains 0.72 inch on Monday and on Tuesday it rains 0.34 less inch then, you would have to subtract them to get 0.38 inch aka answer.

Answer: The answer is 0.38 inches

Step-by-step explanation:

The question said that on Tuesday, it rain 0.34 less than on Monday which mean to subtract. Therefore, 0.72-0.34=0.38 inches.

I hope it helps :)

Dave found the blueprint of his house. It shows the hallway is 4 inches long. If the scale factor is 1 inch: 1.25 feet, then what is the length of the hallway in real life?

Answers

Answer:

5 feet

Step-by-step explanation:

The scale factor = 1 inch: 1.25 feet

The length of the Hally = 4 inches

The length of the hallway in real life is calculated as:

1 inch = 1.25 feet

4 inches = x feet

Cross Multiply

x feet = 4 × 1.25 feet

x feet = 5 feet

Therefore, the length of the Hallway in real life is 5 feet

What is the function g(x) created from f(x) = x2 by moving the graph left 2 units, adding vertical compression by a factor of 7, and
shifting the graph up 3 units?
A)
g(x) = 2(x +
B)
+ 1)2+3
g(x) = } (x - 2)2 + 3
- 1 x + 2)2+3
g(x) =
D)
g(x) = 3(x + 2)2 + 1

Answers

Answer:

g(x)=(1/7) (x+2)²+3

Step-by-step explanation:

I can't clearly recognize what are your A,B,C,D, but I think your equation should be like g(x)=(1/7) (x+2)²+3

HELP ASAP
The blue triangle is dilated to the red triangle from the
dilation point of (0,0). What is the zoom factor?
Submit and Explain
15

Answers

Answer: Scale Factor = 3

Step-by-step explanation:

The top side of the blue triangle is equal to 2 and the top side of the red triangle is equal to 6. Therefore you hav to divide 6 by 2 to give you the scale factor which is 3. (Sorry I do not know if zoom factor is the same as scale factor)

Caleb rides his horse with a constant speed of 10 miles per hour. How long will he take to travel a distance of 15 miles?

Answers

Answer:

1 hour and 30 minutes

Step-by-step explanation:

Answer:

1 hour and 30 minutes

Step-by-step explanation:

15 is 10+1/210 1/2 is also known as 1515 miles at a constant of 10 miles per hour then equals 1 hour and a half 1 hour and 30 minutes

There was 20 coins and 4 bags and you have to put all the coins to make it even in all 4 bags how many coins go in each bag?​

Answers

Answer:

5

Step-by-step explanation:

20/4 = 5

5 coins go in each bag

A snail climbs to the top of a coconut tree 18 meters high. In an hour it will climb 2 meters. But if it go 2 meters, it will slips down one meter. Then how long does it take for the snaik to reach the top of the coconut?

Answers

Answer:

The snail will reach the top of the coconut in 18 hours.

Step-by-step explanation:

If the snail will climb 2 meters in 1 hour but it will slip down one meter for every 2 meters climbed, then the distance traveled will be:

[tex] d = 2 m - 1 m = 1 m [/tex]                                        

Since in 1 hour, it climbs 2 meters minus 1 meter, the time in which the snail will reach the top is:

[tex] t = \frac{1 h}{1 m}*18 m = 18 h [/tex]      

Therefore, the snail will reach the top of the coconut in 18 hours.

I hope it helps you!                                          

Ms. Martinez has a class of 16 students. She can spend $17 on each student to buy math supplies for the year. She first buys all of her students calculators,
which costs a total of $89.76. After buying the calculators, how much does she have left to spend on each student?
su

Answers

Answer:

none

Step-by-step explanation:

What's the answers to Part A and Part B?​

Answers

Answer:

there's nothing there

Step-by-step explanation:

Which is equivalent to 80*
80
V80"
a
V80
80
Mark this and return

Answers

80 I believe.. I could be wrong though-

The cost before tax for an order of CDs from Music & More store was $214.60. If the store ordered 20 equally priced CDs, and the total shipping and handling fee was $15.00, what was the cost of one CD?

Answers

Answer:

Cost of one CD = $9.98

Step-by-step explanation:

Total cost = $214.60

Total shipping and handling fee = $15.00

Number of CDs = 20

Cost of 20 CDs = Total cost - Total shipping and handling fee

= $214.60 - $15.00

= $199.60

Cost of one CD = $199.60 / 20

= $9.98

Cost of one CD = $9.98

Answer:

$9.98

Step-by-step explanation:

took a test and got the question right (this was the answer)

Y-4x=3 in slope intercept form

Answers

Step-by-step explanation:

y - 4x = 3

Writing in slope intercept form that is y = mx + c

y = 4x + 3

Hope it will help :)

Answer: y=4x+3

Step-by-step explanation:

And four to both sides and the left side is left with y and the right side is left with 4x+3

The product of 25/-15 x 9 is
PLS I NEED THIS ASAPP

Answers

Answer:

-15

Step-by-step explanation:

25/-15×9

=5/-3×9

=5×-3

=-15

Step-by-step explanation:

[tex] \frac{25}{ - 15} \times 9 \\ = -15[/tex]

EASY I'LL GIVE BRAINLIEST!!!!
Write an equation in two variables that shows the relationship between the time(t) and the distance(d) travelled.

Moves right 2 meters
every 3 hours.

Answers

Answer:

d= 2/3t

Step-by-step explanation:

Is 45 a multiple of 4? Explain your answer (20 point offer)

Answers

Answer:

The multiples of 4 are: 4,8,12,16,20,24,28,32,36,40,44,.

Step-by-step explanation:

so no

Answer:

No

Step-by-step explanation:

A multiple of x is any number that is in the form kx, where k is any integer

Therefore 45/4 should be an integer if it is a multiple.

45/4 = 11.25, which is not an integer


Which statement correctly identifies the line of reflection?
Vx
4
3
-6-5-4-3
2
5 6
X
ON
O The triangles are reflected across the x-axis.
O The triangles are reflected across the y-axis.
O The triangles are reflected across the line y = x
O The triangles are reflected across the line y = -x
Mark this and return
Next
Submit

Answers

Answer: C: The triangles are reflected across the line y = x.

Step-by-step explanation: I got right on edge.

Solve for x in the literal equation −4 = xy + z.

Answers

Answer:

x = (-4 - z)/y

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtract Property of Equality

Step-by-step explanation:

Step 1: Define

-4 = xy + z

Step 2: Solve for x

Subtract z on both sides:                    -4 - z = xyDivide y on both sides:                       (-4 - z)/y = xRewrite:                                                x = (-4 - z)/y

what is the equation of a line that is perpendicular to the line whose equation is Y=3/5x-2 and that passes through the point (3,-6)?

Answers

The answer is y=-5/3x-1

The equation of the line that  is perpendicular to the line whose equation is Y=3/5x-2 and that passes through the point (3,-6) is;  y=-5/3x-1

What is the Point-slope form?

The equation of the straight line has its slope and given point.

If we have a non-vertical line that passes through any point(x1, y1) and has a gradient m. then general point (x, y) must satisfy the equation

y-y₁ = m(x-x₁)

Where x₁ - x coordinate, y₁ - y coordinate, m - slope

Point (3,-6)

Then perpendicular line whose equation is Y=3/5x-2

Slope m = -3/5

Now Write the equation as;

y=-5/3x-1

Hence, the equation of the line that  is perpendicular to the line whose equation is Y=3/5x-2 and that passes through the point (3,-6) is;  y=-5/3x-1

Learn more about equations here;

brainly.com/question/25180086

#SPJ2

Find the value of x in the given right triangle

X= ?

Answers

What are the answer choices?

Answer:

7.5 is the answer to the question

Step-by-step explanation:

using tan

Sheldon also picks tomatoes from his garden. He picked 5 3 10kg, but 1.5 kg were rotten and had to be thrown away. How many kilograms of tomatoes were not rotten? Write an equation that shows how you reached your answer.

Answers

Answer:

3.8 kg

Step-by-step explanation:

Total kg of tomato = 5 3/10

Kilograms of rotten tomato = 1.5 kg

Kilogram of tomato tht were not rotten :

5 3/10kg - 1.5kg

= 5.3 - 1.5

= 3.8 kg

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