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Burka [1]
3 years ago
15

Someone plz help me!!! I will give brainliest

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
8 0

that's easy, the last choice

a=1/2b*h

Nastasia [14]3 years ago
4 0

Answer:

Step-by-step explanation:

the 2nd one

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3. 8x + 4y<br>24 and 6x + 6y = 6​
anzhelika [568]

Answer:

x and y

Step-by-step explanation:

Variables are always the numbers that're replaced with a letter. For example, in the equation:

2t+6

t would be the variable.

Hope this helps!! <3 :)

5 0
3 years ago
The measure of angle 1 is 3x + 10 and the measure of angle 4 is (4x-15). What is the measure of angle 7
Alex_Xolod [135]
<u><em>Answer:</em></u>
∠7 = 95°

<u><em>Explanation:</em></u>
<u>1- getting the value of x:</u>
In the given figure, angle 1 and angle 4 are vertically opposite angles.
Therefore, they are equal in measurement
This means that:
3x + 10 = 4x - 15
4x - 3x = 10 + 15
x = 25

<u>2- getting the value of angle 4:</u>
We know that:
x = 25 and ∠4 is 4x-15
This means that:
∠4 = 4(25) - 15
∠4 = 85°

<u>3- getting the value of ∠6:</u>
From the given figure, we can see that ∠4 and ∠6 are supplement angles, this means that their summation is 180°.
We have calculated that ∠4 is 85°, therefore:
180 = ∠4 + ∠6
∠6 = 180 - ∠4
∠6 = 180 - 85
∠6 = 95°

<u>4- getting the value of angle 7:</u>
From the drawing, we can note that ∠6 and ∠7 are vertically opposite angles. This means that they are equal in measurements.
Therefore:
∠7 = ∠6 = 95°

Hope this helps :)
5 0
4 years ago
Read 2 more answers
Can you solve this??
N76 [4]

9-\underline{9\div 9} + 9 - \underline{9 \div 9}\implies 9-\underline{1}+9-\underline{1}\implies 8+9-1\implies 17-1\implies 16\\

recall PEMDAS, MD are before AS, and both are performed from left to right.

5 0
2 years ago
Read 2 more answers
When the movie is half over, popcorn sells for half price. Which expression can be used to determine the new cost for 3 orders o
Ahat [919]

Answer:3[1/2(3.50)+1.35]

Step-by-step explanation:9.30

8 0
3 years ago
Read 2 more answers
Solve:<br> n/2 - 10=6<br> show your work please
olganol [36]

Answer:

n=36

Step-by-step explanation:

36 divided by 2 is 16 then subtract 10 and you will get 6 hope this helps

4 0
3 years ago
Read 2 more answers
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