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pochemuha
3 years ago
10

Answer fast and I'll mark brainliest!

Mathematics
1 answer:
saw5 [17]3 years ago
5 0
It will always be positive.
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The ratio of the number of dolls Jacky had to the number of dolls Peter had was 5 : 2 but, after Jacky gave 15 dolls to Peter, t
tester [92]

Answer:

35 [$]

Step-by-step explanation:

1) if Peter's sum is p and Jacky's is j, then the ratio 5:2 in the condition can be written j/p=5/2;

2) the phrase 'after Jacky gave 15 dolls to Peter, they have an equal number of dolls' can be written as j-15=p;

3) using the two above it is possible to make up the system of two equations:

\left \{ {{\frac{j}{p} =5/2} \atop {j-15=p}} \right. \ = > \ \left \{ {{j=2.5p} \atop {j-15=p}} \right. \ = > \ \left \{ {{j=25} \atop {p=10}} \right.

4) finally, the have together 10+25=35 doll-s.

8 0
1 year ago
1. give each solid a geometric name. be as precise as you can<br>а<br>b<br>с
UkoKoshka [18]

The examples of geometric names include triangle, circle, square, rectangle, pentagon, etc.

<h3>What is a geometric name?</h3>

Your information is incomplete as the shapes aren't given. Therefore, an overview will be given.

A geometric name is the name that is given to a shape. In this case, examples include  triangle, circle, square, rectangle, pentagon, etc.

Triangle has three sides. A square has four equal sides. A rectangle has opposite sides equal, etc

Learn more about geometric on:

brainly.com/question/16982223

7 0
2 years ago
wyoming electric coop owns a steam-turbine power-generating plant. because wyoming is rich in coal deposits, the plant generates
Ivenika [448]
Go with whatever best for you
4 0
2 years ago
What quotient is equal to 3 3/4
otez555 [7]
Hello.

C would be your answer.

Hope it helps :)
8 0
3 years ago
Read 2 more answers
Can you pls help with these I really need help​
alukav5142 [94]

Answer:

for question one - x = 12

Step-by-step explanation:

a triangle is always 180, in other words you will add all the corners equal to 180

ex (for first question) - 7x -2 + 4x + 5x - 10 = 180

you add like terms, the x with x and single numbers with numbers, which results in 16x - 12 = 180. then you do the original operation "what you do to one sign of the equal side you do to the other"

6 0
3 years ago
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