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Zigmanuir [339]
3 years ago
6

Find the Value of 2a2+5b2

Mathematics
1 answer:
Valentin [98]3 years ago
3 0

Answer:

I get 92 but not really sire

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June has a total of 35 marbles. She has 4 times as many blue marbles as green marbles. She writes the following system of equati
Ganezh [65]

Answer:

June has 7 green and 28 blue marbles

Step-by-step explanation:

b + g = 35

b = 4g

Use substitution method to solve them simultaneously

4g + g = 35

5g = 35

g = 7

b = 4g = 4(7) = 28

b = 28, g = 7

She has 7 green and 28 blue marbles

8 0
3 years ago
Help me with this question for brainliest please
Pepsi [2]

Answer:

A

Step-by-step explanation:

We want to find the surface area, which will essentially just be the areas of all the figures given in the net.

We have two congruent triangles and 3 different rectangles.

<u>Triangles</u>:

The area of a triangle is denoted by: A = (1/2) * b * h, where b is the base and h is the height. The base here is 3 and the height is 4, so:

A = (1/2) * b * h

A = (1/2) * 3 * 4 = 6

Since there are two triangles, multiply 6 by 2: 6 * 2 = 12 cm squared

<u>Rectangles</u>:

The area of a rectangle is denoted by: A = b * h, where b is the base and h is the height.

The base of the leftmost rectangle is 4 and the height is 7, so:

A = b * h

A = 4 * 7 = 28

The base of the middle rectangle is 3 and the height is 7, so:

A = b * h

A = 3 * 7 = 21

The base of the rightmost rectangle is 5 and the height is 7, so:

A = b * h

A = 5 * 7 = 35

Add these together:

12 + 28 + 21 + 35 = 96 cm squared

The answer is thus A.

8 0
2 years ago
Help me out please.. thank uu
Free_Kalibri [48]
Answer: y = -1/4 * x - 4

Explanation:
Slope intercept form : y = mx + b
m = slope & b = y intercept
y = mx + b
y = -1/4(x) + b
y = -1/4(x) - 4

-1/4 is slope
-4 is y intercept
5 0
2 years ago
Please help n-(-8)=-2
inna [77]
I think that the value of n is -10
4 0
3 years ago
Which graph represents a function?
frozen [14]

Answer:

the answer is the top right one

6 0
3 years ago
Read 2 more answers
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