Answer:
Step-by-step explanation:z
Which expression equals sixty? 6 × (3 + 7) 6 × 3 + 7 6 + 7 × 3 19 - (5 + 5) × 7
______________________________
1.) Solve each expression:a.) [tex]6[/tex] × [tex](3+7)=60[/tex]
b.) [tex]6[/tex] × [tex]3+7=25[/tex]
c.) [tex]6+7[/tex] × [tex]3=27[/tex]
d.) [tex]19-(5+5)[/tex] × [tex]7=-51[/tex]
______________________________
solve for y. will give brainiest
Answer:
y = 81°
Step-by-step explanation:
let the 5 th angle in the pentagon be x
The sum of the interior angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides
Here n = 5, then
sum = 180° × 3 = 540°
sum the angles and equate to 540
x + 95 + 125 + 116 + 105 = 540
x + 441 = 540 ( subtract 441 from 540 )
x = 99°
x and y are adjacent angles and supplementary, sum to 180° , that is
x + y = 180°
99° + y = 180° ( subtract 99° from both sides )
y = 81°
2^46 is how many times as many as 2^42?
Answer:
16 times as many
Step-by-step explanation:
2^46 = 70368744177664 2^42 = 4398046511104 70368744177664/4398046511104 = 16
PLEASE HELP I WILL MARK BRAINLIST
Answer:
Multiply by 5
Step-by-step explanation:
What is the slope of the line that passes through the points (-3, 4) and (5, -2)?
Answer:
m = 0 , this is a horizontal line, y = 5
Step-by-step explanation:
Find the slope of the line that passes through the pair of points
(-3,5),
(-4,5) m = 0/1 = 0
m=y2-y1/x2-x1
m = 0 , this is a horizontal line, y = 5
Hopefully that helps!!!!!
(I BEG U TUTORS HELP) the value if x=9 a solution to the system of equations shown below. Where b is some unknown constant. Determine the value of b. Show how you arrived at your answer
y=2x-20
y= -5x+b
Answer:
b = 43
Step-by-step explanation:
So let's plug things in first:
y= 2x - 20 and y= -5x +b which can become →
2x - 20 = -5x + b (now you said that x=9 so let's plug that in)
2(9) -20 = -5(9) + b (now try solving that)
18 -20 = -45 + b → -2 = -45 + b ( so then add 45 to both sides)
43 = b ( and there's your answer )
is it Min or Max
help me pls
Answer:
Max
Step-by-step explanation:
Since the vertex is on top and the graph is opening down, there is a max value at the top.
Need help please!! I’m confused
Answer:
y = -0.2x + 3.8
Step-by-step explanation:
it states it has been 7 weeks. 0.2 x 7 is 1.4. That means they started with 2.4 + 1.4 meters thick of ice sheet, which is 3.8, which is the number they started with. So, b = 3.8 and it says it melts 0.2 so it's a negative, which is -0.2 as slope. So, y = -0.2x + 3.8
Dividing by the wrong number when finding the mean is a:
interpretation error.
data collection error.
measurement error.
sampling error.
Answer:
measurement error
Step-by-step explanation:
hope this helps
the perimeter of Mrs.Moody's rectangular vegetable garden is 66 meters The length is 9 less than twice the width Find the length and width
Sasha walks at a constant rate. She meets her friend Hannah 0.6 kilometer along the way, and thet continue walking at the same constant rate. When thay get to school, Sasha has walked for 0.6 hour and Hannah has walked 0.45 hour. What is the rate in kilograms per hour at which they walked to school
Answer:
4 km/hr
Step-by-step explanation:
Sasha walks at a constant rate. She meets her friend Hannah 0.6 kilometer along the way, and they continue walking at the same constant rate. When thay get to school, Sasha has walked for 0.6 hour and Hannah has walked 0.45 hour.
Let
the rate of the speed at which they walked to school be represented by r
Distance to school for Sasha = Distance to school for Hannah
Distance = Speed (rate × time)
Hence:
0.6r = 0.45r + 0.6
Collect like terms
0.6r - 0.45r = 0.6
0.15r = 0.6
r = 0.6/0.15
r = 4 km/hr
The rate in Kilometer per hour at which they walked to school is 4km/hr
The ratio of almond pieces to
cranberry pieces in a salad is 3 to 4.
If there is a total of 28 pieces in
salad, how many are almond pieces
and how many are cranberry
pieces?
37 dimes, 23 quarters.
Answer: 12 almond pieces and 16 cranberry pieces
Step-by-step explanation:
DUE IN 27 minutes PLEASE HELP EASYY
Answer:
6 + 0 = 0 + 6 = 6
12 X (3 X 9)
2 + 6x
3 + 7 + 8 = 7 + __ + 3
27 - 108
-15 - 5m
(6 + 5) + 1
8x + 28
26 X 1 = 1 X 26 = 26
24 + 4s
Step-by-step explanation:
i hope this helps :))
please help me i need to turn in assignment!!!!! i will mark the answer brainliest. plz be descriptive!!!
Answer: D. 150
Step-by-step explanation:
Given equation: [tex]3(3x-10)=5(x+10)[/tex] , it shows the relationship between the perimeter of an equilateral triangle and the perimeter of an equilateral triangle.
Consider [tex]3(3x-10)=5(x+10)[/tex]
[tex]\Rightarrow\ 9x-30=5x+50\\\\\Rightarrow\ 9x-5x= 50+30\\\\\Rightarrow\ 4x= 80\\\\\Rightarrow\ x=\dfrac{80}{4}\\\\\Rightarrow\ x= 20[/tex]
Now, perimeter of pentagon = 5(x+10) = 5 (20+10)
= 5(30) = 150
Hence, option D is correct.
I need help putting this into simplest form.
Answer:
1/x^2-2x-8
Step-by-step explanation:
There are 13 girls on Janelle's soccer team. Uniforms cost $32 each. Which equation uses estimation correctly to show about how much money the team spent?
Answer:
$416
Step-by-step explanation:
From the above question,
Total number did people in a team = 13 girls
Uniform of each member of team = $32
The amount of money the team spent can be calculated as:
$32 × x
Where x = Number of people on the team = 13
The amount spent = $32 × 13
= $416
The amount the team spent is $416
El 1% de las videocámaras vendidas por la Phil´s Photo Shop, tiene un defecto en su estuche. Se seleccionan al azar cuatro estuches de lo vendido recientemente. Encuentre la probabilidad de que exactamente uno esté defectuoso
9514 1404 393
Answer:
3.88%
Step-by-step explanation:
The probability that 1 is defective and 3 are not (out of four) is ...
P(1 of 4) = 4(0.01)(0.99)^3 ≈ 0.0388 = 3.88%
__
The multiplier of 4 comes from the number of ways that 1 can be chosen from 4.
Adam is buying some granola bars from the store. He finds a box of 6 Brain Grains granola bars for $4.74 and a box of 10 Nutty Crunch bars for $7.80. Which brand is the better value?
Answer: Nutty Crunch bars
Step-by-step explanation:
A box of 6 Brain Grains granola bars costs $4.74. The cost for one will be:
= $4.74 / 6
= $0.79
A box of 10 Nutty Crunch bars cost $7.80. The price per one will be:
= $7.80/10
= $0.78
The brand with the better value is Nutty Crunch bars
So can someone just help me solve this and tell me which terms belong together....ty-
how do you solve this using the substitution method?
Answer:
x=13, y=36
Step-by-step explanation:
y−2x=10
6x−2y=6 −2x+y=10
6x−2y=6
6x=2y+6
x= 1/6(2y+6)
x=1/3y+1
-2(1/3y+1)+y=10
-2/3y-2+y=10
1/3y=12
y=36
Substitute y to check your answer
x=1/3*36+1
x=12+1
x=13
And to go further if you wish to check your answer you can substitute x
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Answer:
About 48
Step-by-step explanation:
If the first two are 66 then you would add 66 + 66 to get 132 then you subtract 180 - 132 which gets you to 48.
Hope this helps :D
HELP PLSSSSSS as soon as possible!
Answer:
Step-by-step explanation:
Jerry is getting ballons for his fathers bday party if he wants each ballon string to be 9 feet long if it is sold by the yard and jerry wants 63 ballons how much yards of string will he bneed
Answer:
567
Step-by-step explanation:
63 x 9
ISABELRAINBOW PLEASE ANSWER BOTH THESE
BAHAHA I SAW MY NAME AND GOT SO SCARED
1st problem: 6/y^4
first, we express it with positive exponents.
6 x 1/y^4
then, we just calculate it.
6/y^4
2nd problem: (1/64)a^7 (the a^7 isn't just on the bottom part, it goes in the front of the fraction)
first, i expressed it with a positive exponent.
1/8^2 x a^7
then, i evaluated that.
(1/64)a^7
What is the equation of a line with Point A(0, 4) and Point B(2,-6) ?
9514 1404 393
Answer:
y = -5x +4
Step-by-step explanation:
The slope can be found using the slope formula:
m = (y2 -y1)/(x2 -x1)
m = (-6 -4)/(2 -0) = -10/2 = -5
The point (0, 4) tells you the y-intercept is b = 4. So, the equation in slope-intercept form is ...
y = mx +b . . . . . where m is slope and b is y-intercept
y = -5x +4
water tank holds 711 gallons but is leaking at a rate of 4 gallons per week. second water tank holds
948 gallons but is leaking at a rate of 7 gallons per week. After how many weeks will the amount of water
in the two tanks be the same?
PLEASE HELP!!!!! tyyyyy
Answer:
a
Step-by-step explanation:
I counted :)
Why can you remove you can remove an x-tile from each side of the mat?
Mrs. Reynold’s sprinkle system has 9 stations that water all the parts of her front and back lawn. Each station runs for an equal amount of time. It takes 48 minutes for the 4 stations to water, how long does it takes to water all parts of her lawn?
Answer:
108 minutes
Step-by-step explanation:
48/4= 12 minutes per 1 station
9x12=108 minutes
Natasha, Peter and Malachy share £56 in a ratio 1:1:2. How much money does each person get?
Natasha:
£
Peter:
£
Malachy:
£
Answer:
Natasha £14
Peter £14
Malachy £28
Step-by-step explanation:
Add 1+1+2=4
56/4=14
Multiple each ratio by 14 check by adding up and see if its the beginning total figure!