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Hitman42 [59]
3 years ago
8

Find the value of y when x = 4 in the equation 4x - 2 = y + 5 Show your work help

Mathematics
2 answers:
elena-s [515]3 years ago
5 0
First, substitute 4 into x
Then multiply 4 times 4
Subtract 2
Then subtract 5 from both sides

Basile [38]3 years ago
5 0
4(4)-2=y+5
16-2=y+5
14=y+5
9=y
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Someone help me please
garri49 [273]

Answer:

  • 42 seats

Step-by-step explanation:

This represents an arithmetic progression with the first term of a = 15 and common difference of d = 3.

<u>The tenth row is the 10th term:</u>

  • aₙ = a + (n - 1)d

<u>The row 10 has:</u>

  • a₁₀ = 15 + 9*3 = 15 + 27 = 42 seats
7 0
2 years ago
Read 2 more answers
Write the expression for the Area of the polygon BORT MO 6 A= O A = 6m + mp O A = mp + 1/2(6m) O A = mp + 6p
anyanavicka [17]

We are asked to determine the area of the given figure. To do that we will divide the figure into a square and a triangle. The area of the square is the product of its dimension, therefore, the area is:

A_{sq}=mp

The area of the triangle is given by the following formula:

A_t=\frac{bh}{2}

Where "b" is the base and "h" is its height. Replacing the values:

A_t=\frac{(6)(m)}{2}=\frac{1}{2}6m

The total area is the sum of both areas:

A=A_{sq}+A_t

replacing the areas:

A=mp+\frac{1}{2}6m

7 0
1 year ago
One number is 5 more than the other. Their sum is 45. Find the numbers
myrzilka [38]
The answer is 20 and 25
4 0
3 years ago
To simplify the following expression, which operation would you complete second?
Bingel [31]
Divide, the first operation is the parentheses and then division
3 0
2 years ago
1. A heterozygous white-fruited squash plant is crossed with a yellow-fruited plant, yielding 200 seeds. of these seeds, 110 pro
garri49 [273]

Answer:

Part 1 , not significant

Part II, significant

Step-by-step explanation:

Given that a  heterozygous white-fruited squash plant is crossed with a yellow-fruited plant, yielding 200 seeds. of these seeds, 110 produce white-fruited plants while only 90 produce yellow-fruited plants

H_0: Both colours are equally likely\\H_a: Both colours are not equally likely

(Two tailed chi square test)

We assume H0 to be true and find out expected

If H0 is true expected would be 100 white and 100 yellow

Chi square = \Sigma \frac{(O-E)^2}{E} \\=\frac{(110-100)^2}{100} +frac{(90-100)^2}{100} \\=2

df = 1

p value = 0.152799

Since p value > 0.05 at 5% level we accept that the colours are equally likely

2)

Here observed are 1100 and 900

Expected 1000 & 1000

df = 1

Chi square = \frac{20000}{100} =200

p value <0.0001

These results are here statistically significant.

8 0
3 years ago
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