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Sedaia [141]
3 years ago
11

Question 7

Mathematics
1 answer:
Pani-rosa [81]3 years ago
3 0
The answer should be 56
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Solve the system of linear equations by elimination.<br> 9x+2y=39<br> 6x+13y=−9
vodomira [7]

y = -3

x = 5

Explanation:

9x + 2y = 39  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  (2)\\ 6x + 13y =  - 9 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: ( - 3) \\  \\ 18x + 4y = 78 \\  - 18x - 39y = 27 \\  \\  - 35y = 105 \\ y =  \frac{105}{ - 35}  \\ y =  - 3 \\  \\  \\ 9x + 2y = 39 \\ 9x + 2( - 3) = 39 \\ 9x - 6 = 39 \\ 9x = 39 + 6 \\ 9x = 45 \\ x =  \frac{45}{9}  \\ x = 5

3 0
2 years ago
I NEED IT RIGHT AWAY PLZZZZ
Masteriza [31]

Answer:

b 8%

Step-by-step explanation:

40 divide by 500 is 0.08 to find percentage you just multiply your number by 100 to get it

6 0
3 years ago
Read 2 more answers
How are linear velocity and angular velocity related?
erik [133]

Answer:

<h2><u>FILL IN THE BLANKS </u></h2>

Linear velocity is the change in distance over time, where the distance is<u> the circumference of a circle </u> . It can be represented by v=st or  <u>v = Фr/t</u>

Angular velocity is the change in distance over time, where distance is<u> the change is angle measure</u>

Angular velocity is represented as ω=θ/t .

This means that linear velocity is the product of <u>the radius and the angular velocity.</u>

3 0
4 years ago
Which expression shows how the distribuive property can be used to multiply 8x29?
Natasha_Volkova [10]

The expression which shows how the distributive property of the can be used to multiply 8×29 as in the task content is; 8(20 + 9).

<h3>Which expression can be used to show how the distributive property can help multiply 8×29?</h3>

It follows from the task content that the given product to be multiplied is; 8×29.

Consequently, it follows from convention that the distributive property of multiplication allows that the multiplication in this case can be rewritten as follows;

8×29 = 8 (20 + 9)

Hence, we have; (8×20) + (8×9).

Read more on distributive property of multiplication;

brainly.com/question/2807928

#SPJ1

3 0
2 years ago
Draw like this .<br>................
Molodets [167]

Answer:

im sorry what ???

Step-by-step explanation:

i cant draw like that i only have 2 hands :(

7 0
3 years ago
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