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dlinn [17]
3 years ago
14

I need help with number 4

Mathematics
1 answer:
ZanzabumX [31]3 years ago
8 0

Answer: 5

Step-by-step explanation:

Setting them equal (since both are equal to f(x)), we get:

-5x+8 = -17

-5x=-25

x=5

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Solution of 4x-7y=-1​
givi [52]

Answer:

There are an infinite number of solutions to this equation. One of which would be (-2, -1)

Step-by-step explanation:

In order to find any solution, start by picking a value for x. For the purpose of this exercise, we'll select -2. Now input that in for x and solve for y. The resulting ordered pair is a solution.

4x - 7y = -1

4(-2) - 7y = -1

-8 - 7y = -1

-7y = 7

y = -1

8 0
3 years ago
Find tan0 where 0 is the angle shown<br><br>PLEASE I NEED HELP
12345 [234]

Answer:

tan = 12/5..............

4 0
3 years ago
Sonali invests 15% of her monthly salary in insurance policies.
strojnjashka [21]

Answer:

₹42,500

Step-by-step explanation:

Let Sonali's monthly income be ₹x

<h2>According to the question </h2>

15\% \:ofx + 55\% \: of \: x + 12750 = x

=  >  \frac{15}{100} x +  \frac{55}{100} x + 12750 = x

=  >  \frac{70}{100} x + 12750 = x

=  > 12750 = (1 -  \frac{70}{100} )x

=  > 12750 = 30x

=  > x =  \frac{12750 \times 10}{3}

=  > 42500

So your answer will be ₹42,500.

3 0
3 years ago
Read 2 more answers
Help ASAP
sdas [7]

Answer:

x = 5/3

Step-by-step explanation:

Solve for x:

7 x - 15 = -2 x

Add 2 x to both sides:

7 x + 2 x - 15 = 2 x - 2 x

2 x - 2 x = 0:

7 x + 2 x - 15 = 0

7 x + 2 x = 9 x:

9 x - 15 = 0

Add 15 to both sides:

9 x + (15 - 15) = 15

15 - 15 = 0:

9 x = 15

Divide both sides of 9 x = 15 by 9:

(9 x)/9 = 15/9

9/9 = 1:

x = 15/9

The gcd of 15 and 9 is 3, so 15/9 = (3×5)/(3×3) = 3/3×5/3 = 5/3:

Answer: x = 5/3

3 0
3 years ago
Read 2 more answers
Please hhhheeeelllppppp
Citrus2011 [14]

Answer:

24%

Step-by-step explanation:

6 is 24% of 25.

7 0
3 years ago
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