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Masja [62]
2 years ago
10

Will mark brainliest!!!Solve for each variable

Mathematics
1 answer:
Kamila [148]2 years ago
7 0

Answer:

n=5, m = 4

Step-by-step explanation:

It is a parallelogram so m+8 = 3m and 2n-1 = 9

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lana [24]

Answer:

5 {x}^{2}  + 2x = 7x + 3x \\ 5 {x}^{2}  + 2x = 10x \\ 5 {x}^{2}  = 10x - 2x \\ 5 {x}^{2}  = 8x \\ 5x = 8 \\ x =  \frac{8}{5}  = 1.6 \\ thank \: you

4 0
2 years ago
In a different plan for area​ codes, the first digit could be any number from 4 through 8​, the second digit was either 3, 4, 5,
Snezhnost [94]

For the first digit, we have 5 options that are 4,5,6,7,8 . For the second digit, we have 4 options which are 3,4,5 or 6 and for the third digit, we have the options of all numbers except 2 or 5 that is 1,3,4,6,7,8,9,0 . SO we have 8 options for third digit . So to find the total number of options, we need to multiply all the possible options for each digit that is 5 times 4 times 8 = 160 . So the number of possible options are 160 .

7 0
3 years ago
Evaluate the expression <br><br> (x + 3)(y - 2) , if x = -2, and y= 6
Butoxors [25]

Answer:

The answer is 4

Step-by-step explanation:

Given,

x=-2,\,y=6

Now, the expression

∴(x+3)(y-2)\\=>(-2+3)(6-2)\\=>(1)(4)\\4

hope you have understood this...

pls mark my answer as the brainliest

6 0
3 years ago
Safeway has ginger ale on sale at 12 cans for $4.00 and Giant has the same brand
Genrish500 [490]

Answer:

Giant has the better deal

Step-by-step explanation:

4.00/ 12 is .3333333

6.00/20 is .30

so . 30 is less that .3333333333

therefore Giant has the better deal

7 0
3 years ago
Let A = {1, 2, 3, 4, 5} and B = {2, 4}. What is A ∩ B?
tatyana61 [14]

Answer:

A ∩ B = {2, 4}

Step-by-step explanation:

Definition: The intersection A ∩ B of two sets A and B is the set that contains all elements of A that also belong to B.

For example:

If x∈A and x∈B

then;

x∈ A ∩ B

Given the sets:

A = {1, 2, 3, 4, 5} and B = {2, 4}

We have to find  A ∩ B.

By definition we have;

A ∩ B = {2, 4}

Therefore, the value of  A ∩ B is, {2, 4}

4 0
2 years ago
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