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Tamiku [17]
3 years ago
12

A system of equations is shown below

Mathematics
1 answer:
notsponge [240]3 years ago
7 0

4x - 2 (-x + 12) = 36

4x + 2x - 24 = 36

6x = 60

x= 10

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Jada is making a circular birthday invitation for her friends . The diameter of the circle is 12 cm. She bought 180 cm of ribbon
iVinArrow [24]
She can make 4.

Explanation:

First you gotta find the circumference of the circle which is 37.68

Circumference=Diameter•pi

Pi is 3.14 in case you didn’t know.

Now divide the amount of ribbon she has by the circumference and you get 4.77…

So to make it simple we just say 4 because she wont want to make 4 and a half invitations.

Brainliest my answer if it helps you out?
7 0
3 years ago
-8 + x = 12<br> I don't get it and i need help
Blababa [14]

Answer:

this is easy just do 12-(-8)= 12+8=20

so the answer is 20

Step-by-step explanation:

4 0
3 years ago
Solve for a<br> 4(a + 3) = 12 + 4a<br> M. No solution<br> N. 12<br> 0. All Real Numbers <br> P. 4
shepuryov [24]

Answer:

O. All Real Numbers

Step-by-step explanation:

4(a+3)=12+4a

1) Distribute 4(a+3):

4a+12=12+4a

These values are exactly the same, meaning all real numbers will work!

6 0
4 years ago
Read 2 more answers
What is the number in the * cell? 9 38 47 4 6 35 42 * 12 21 23 27?
Effectus [21]

Answer:

-5

Step-by-step explanation:

Since,there are twelve digits given, we can arrange them in such a way that they make three rows.

On subtracting the second row from the first row, we have

3,3,5,4, the first three digits of these numbers are equal to the sum of the first three numbers in the third row. With the help of this, the answer will b -5.

8 0
3 years ago
Determine the length of side QR in the following triangle
Jobisdone [24]

The length of the side QR in the task content can be determined as; 12.22cm.

<h3>What is the length of the third side QR?</h3>

It follows from the task content that 2 lengths and one included angle are given in the task content. It therefore follows that the length of side QR can be evaluated by the cosine rule as follows;

QR² = 13² + 4² - (2×4×13×cos70)

QR = √149.4

QR = 12.22cm

Read more on cosine rule;

brainly.com/question/23720007

#SPJ1

3 0
2 years ago
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