PLEASE HELP!
Y=5x-9
-2x-3y=-7
Please show
work!
substition for math

Answers

Answer 1

Answer:

ill edit this and Post the answer in a few m0ments .....

Step-by-step explanation:

Answer 2

Answer:

J

Step-by-step explanation:

K. since you thought it was so funny to do it to me


Related Questions

SIMPLE SEVENTH GRAD EMATH PROBLEM GOVING BRAINLIEST.

Answers

Answer:b

Step-by-step explanation:

iys b i promise

Helpmeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

B)

Step-by-step explanation:

distances:

AB = 6

BC = √4+25 = √29

CD = √0+144 = 12

AD = √5²+4² = √41

The price of a train ticket is $14.50. The price rises by 8%.Work out the new price of the ticket.

Answers

The new price would be about $15.66
(14.5*0.08)+14.5=15.66

Please answer the following question:

Answers

25.136 or 25.1

To find area take circumference x pie (3.142). And to find circumference it’s radius x 2
So to find area it would be ( 4x2)3.142=25.136
Or 8x3.142=25.136

NWMS has 840 students. Ben surveys a random sample of 60 students and finds that 8 of them have more than 3 siblings. How many students at the school are likely to have more than 3 sibling

Answers

Answer:

the answer is 196

Step-by-step explanation:

hope this helps

the sum of two numbers is 121. if the larger number is 7 more than the smaller number, find both number.

Answers

Answer:

57 and 64

Step-by-step explanation:

x = smaller number

x + x + 7 = 121

2x = 114

x = 57

what is the surface area of the rectangular prism? length=12, height=6, and width=13

Answers

612 I’m not sure tho but that should be it

A hemispherical tank is filled with water and has a diameter of 12 feet. If water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound?

Answers

   Answer:

The total weight = 1286 × 62.4 = 80246 pounds.

Step-by-step explanation:

The formula of the volume of the sphere is

V = 4/3×π×r³

Given

d = 17 feet

d = 2r

r = d/2 = 17/2 = 8.5 feet

V = 4/3×π×r³

Since we need half of the volume as it is a hemispherical tank.

= 1286 ft³

Given that the weighs 62.4 pounds per cubic foot

Thus,  the total weight = 1286 × 62.4 = 80246 pounds.            

Colin walked a distance of 15 miles in 6 hours.
Work out Colin's average speed
Give your answer in miles per hour.​

Answers

Colin walked 2.5 mph

V = distance/time
V = 15/6
V = 2.5 miles per hour

Please answer the following question:

Answers

Answer:

99 cm²

Step-by-step explanation:

1/2 BH

1/2 18 x 11

9 x 11

99


Which ratio gives the cosine of B ?
A
B
C
D

Answers

the answer is D. (adj/hyp)

someone please help with either one!! will mark brainliest

Answers

Answer:

13. After 25 days

14. 68-77 degress

Step-by-step explanation:

13.

100*3= 300

300-100= 200

200/8= 25

Answer:

The answer to the first question is 25 days. The range of temperatures is 68 - 77. Hope this is helpful! =)

Step-by-step explanation:

hey! i’ll give brainliest please help.

Answers

Answer:

I would say

B) Indus river Valley

How do you write 4,9000 in scientific notation?

Answers

Answer:

4.9 x 10^4

Step-by-step explanation:

[tex]4.9[/tex] × [tex]10^{4}[/tex]

A scatterplot includes data showing the relationship between the number of items on a standardized test and the
length of time, in minutes, it took for different students to complete it. Which graph displays the line of best fit for the
data?

Answers

Answer:

its D

Step-by-step explanation:

Ask.
Find the area of quadrilateral ABCD. (Hint: the diagonal divides the quadrilateral into two triangles.]
А
7.84
4.57
3.42
horas
D
4.39
С
A. 14.89 units
B. 11.09 units
C. 17.46 units
D. 18.22 units?

Answers

Answer:

[tex]A) 14.89~ units[/tex]

Step-by-step explanation:

[tex]AD=C=3.42~, AC=d=4.57, ~CD=a=4.39[/tex]

[tex]S=\frac{C+d+a}{2} =\frac{3.42+4.57+4.39}{2} =6.19[/tex]

[tex]Using ~ heron's~ formula:[/tex]

[tex]Area~ of ADC~is:[/tex]

⇒ [tex]\sqrt{s(s-c)(s-d)(s-a)}[/tex]

⇒ [tex]\sqrt{6.19(6.19-3.42)(6.19-4.57)(6.19-4.39)}[/tex]

⇒ [tex]\sqrt{6.19*2.77*1.62*1.8}[/tex]

⇒ [tex]\sqrt{49.9986}[/tex] ⇒ [tex]7.071[/tex]

[tex]Area ~of ~ ABD ~is:[/tex]

⇒ [tex]\sqrt{s(s-d)(s-b)(s-a)}[/tex]

⇒ [tex]\sqrt{8.35(8.35-7.84)(8.35-3.42)(8.35-5.44)}[/tex]

⇒ [tex]\sqrt{8.35*0.51*4.93*2.91}[/tex]

⇒ [tex]\sqrt{61.0937}[/tex] ⇒ [tex]7.816[/tex]

[tex]So, Area ~ of ~quadrilateral~ ABCD ~ =[/tex]

[tex]A=Area ~of ~ADC+Area ~ of ABD:[/tex]

[tex]A=7.071+7.816[/tex]

[tex]A=14.89 ~units^2[/tex]

-----------------------

hope it helps...

have a great day!!

A spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow , and purple. The spinner is spun several times, and the results are recorded below: Spinner Results Color Frequency 18 15 Red Blue Green Yellow Purple 20 18 13 Based on these results , express the probability that the next spin will land on purple as a decimal to the nearest hundredth.

Answers

Answer:

0.15

Step-by-step explanation:

The probability would be the amount of times the pointer landed on purple divided by the total times the pointer was spun.

This would be 13/(18+15+20+18+13) = 13/84 = 0.15476

The probability that the next spin will land on purple nearest hundredth will be 0.15.

What is probability?

Its fundamental concept is that someone will nearly surely occur. The proportion of positive events in comparison to the total of occurrences.

Then the probability is given as,

P = (Favorable event) / (Total event)

The table is given below.

Color       Frequency

Red              18

Green          15

Blue            20

Yellow         18

Purple          13

Based on these results, the probability that the next spin will land on purple in decimal to the nearest hundredth is calculated as,

P = 13 / (18 + 15 + 20 + 18 + 13)

P = 13 / 84

P = 0.15

The probability that the next spin will land on purple nearest hundredth will be 0.15.

More about the probability link is given below.

https://brainly.com/question/13957582

#SPJ2

Does anyone know how to solve this?

Answers

Answer:

[tex]f(6) = \frac{6 {}^{2} - 2.6 - 8}{6 {}^{2} - 14.6 + 45} = \frac{16}{ - 3} = \frac{ - 16}{3} [/tex]

Suppose an Oklahoman comes to Texas to go turkey hunting. He takes up camp 150 meters from the base of a cliff. When he sees a turkey he raises his shotgun, shoots, but misses (being a poor shot). He notices that he hears the echo of his gun off the cliff. How much time (in seconds) passes after the shot before the hunter hears the echo?
(use dimensional analysis)

Answers

Answer:

thats 50

Step-by-step explanation:

A student believes that a certain 6-sided number cube, with the numbers 1 to 6, is unfair and is more likely to land with a 6 facing up. The student rolls the cube 100 times and lands with 6 facing up 20 times. The P-value for the test of the hypotheses, H0:p=0.17 and Ha:p>0.17, is 0.19. What is the correct conclusion given a=0.05?

Because the P-value is less than a=0.05, the student should reject H0.
Because the P-value is less than a=0.05, the student should reject H0.
Because the P-value is greater than a=0.05, the student should reject H0.
Because the P-value is greater than a=0.05, the student should fail to reject H0.

Answers

Answer:

third one

Step-by-step explanation:

To find the p-value of a data set, we can use the rejection region data to predict where the answer will lie.

P-Value

To find the p-value of this data set, let's write out the data given in the question.

Data;

H_o = p = 0.17Ha = p>0.17

Technically, the p-value is greater that the Ha and this affect the data significantly.

Since the p-value is greater than the ha value, we can accept that the value of H_o and assume the student will reject the H_o

The answer to this question is option D

learn more on p-value here;

https://brainly.com/question/4621112

If you solve this correctly I’ll give you brainliest!

Answers

Answer:

question where dude?

Step-by-step explanation:

By: ₰₮₤₳V₤

Answer:

yup

Step-by-step explanation:

if we use the scientific notation to answer this question and my luck i would said that 1+2=1


Solve by completing the square
2x^2 + 14 = 4x

Answers

Answer:

Step-by-step explanation:

Use the formula (b/2)^2 in order to create a new term. Solve for x by using this

term to complete the square.

x = 1 ± i√6

Given the function h(x) = -x2 - 4x + 6, determine the average rate of change of
the function over the interval -5 < x < -1.

Answers

Answer:

Que estoy confundida

Step-by-step explanation:

Find the distance between the points (4,3) and (1,0).
Write your answer as a whole number or a fully simplified radical expression. Do not round.
units

Answers

Answer:

[tex]distance = \sqrt{(x_{1} -x_{2})^2+(y_{1} -y_{2})^2 }[/tex]

             [tex]=\sqrt{(1-4)^2+(0-3)^2 } \\=\sqrt{3^2 + 3^2}\\=\sqrt{18}\\=3\sqrt{2}[/tex]

Answer:

3√2

Step-by-step explanation:

√(x2 - x1)² + (y2 - y1)²

√(0 - 3)² + (1 - 4)²

√(-3)² + (-3)²

√(9) + (9)

√18

3√2

A bag of apples weighs 7 2/7
pounds. A crate of bananas is 5 times as heavy as the apples. What is the total weight of the fruit?

Answers

Answer:

43.71428571

Step-by-step explanation:

First, convert 7 2/7 into an improper fraction: 51/7

Second, multiply 51/7 by 5: 255/7

Third, add 255/7 and 51/7 to get 306/7

306/7 = 43.71428571

What is the length of CD in triangle ABC?

Answers

Answer:

[tex]8\sqrt{2}[/tex]

Step-by-step explanation:

which is the correct answer? pls help (links = report)

Answers

340 ft I think not too sure

hey! i’ll give brainliest please help!

Answers

B) subjects paying tribute to the Persian emperor

Which equation is represented by the graph below?
10
10 8 5-4-2
2
В
8
10X
10
0 x = 2 x - 3
O y=x-9

Answers

The equation for that is y=2/3x+6

20 points!!! Solve Each Proportion-Round to the nearest tenth *
Your answer

Answers

Answer:

x = 3.6

B. {7.88}

Step-by-step explanation:

[tex]\frac{6}{x}= \frac{10}{6}[/tex]

x · 10 = 6 · 6

10x = 36

10x ÷ 10 = 36 ÷ 10

x = 3.6

[tex]\frac{9}{8} =\frac{x}{7}[/tex]

8 · x = 9 · 7

8x = 63

8x ÷ 8 = 63 ÷ 8

[tex]x=7\frac{7}{8}[/tex] or x = 7.875

7.875 rounded to the nearest tenth is 7.88.

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