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saul85 [17]
3 years ago
7

Two quantities x and y are connected by the formula y=7-9x.

Mathematics
2 answers:
WINSTONCH [101]3 years ago
8 0

Answer:

a very nice qualification a very nice

quester [9]3 years ago
3 0

Answer:

a. 7

b. 7/9 or 0.778

Step-by-step explanation:

I hope this is right...

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Evaluate the expression, below, when a = 2 and b = 5. <br><br> (3 + a)² • (4 – b) + √36
stellarik [79]

Answer:

-19

Step-by-step explanation:

1) substitute a with 2 and b with 5

(3 + 2)^2 * (4-5) + √36

2) solve the brackets and the square root

(5^2) * (-1) + 6

3) solve the power

25 *(-1) + 6

4) solve the multiplication

-25 + 6

5) solve the sum

- 19

6 0
2 years ago
HELP !!! Place the indicated product in the proper location on the grid. Write your answer in descending powers of x. (x 2 + 2x
inna [77]

Answer:

The answer to your question is:  x⁴ + 4x³ + 8x² + 8x - 5

Step-by-step explanation:

(x² + 2x - 1)(x² + 2x + 5) = x⁴ + 2x³ + 5x² + 2x³ + 4x² + 10x - x² - 2x - 5

                                       = x⁴ + 4x³ + 8x² + 8x - 5

6 0
3 years ago
Read 2 more answers
This year, the Newville Tigers won six games more than the Wilton Panthers won. The Tigers won 22 games. Which equation cannot b
Usimov [2.4K]

Answer:

The ones that can be used are (B and A)

The ones that cannot be used are (C and D)

Step-by-step explanation:

Because the panthers got 6 less and the tigers got 22…

b+6 would make 22 (panthers plus 6 makes tigers)

22-b would also be 6 because 6+b makes 22, so subtracting b from 22 makes 6

5 0
2 years ago
Simplify the<br>composite function<br>(g o f) (x)<br><br>f(x)=2x+3<br>g(x)=x​
shtirl [24]

Answer:

2x^{2} +3x

Step-by-step explanation:

g(2x+3)

x(2x+3)

2x^2+3x

3 0
3 years ago
Read 2 more answers
May I Please get help?
fiasKO [112]
5 inches by 7 inches.

To find the area of a parallelogram, you can just do base * height. In this case, all other options, once multiplied, equal 36 square inches, it's only 5 * 7 that equals 35 square inches.
3 0
3 years ago
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