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4 years ago

Need help for this question! For this graph, mark the statements that are true.

Mathematics

1 answer:

vagabundo [1.1K]4 years ago

5 0

The correct answer are A. and B.

Good luck!!!

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What is the answer to -x+7=8

stira [4]

+
7
=
8
x
+
7
=
8
x+7=8

+
7
−
7
=
8
−
7

Solution
X =1

6 0

3 years ago

Read 2 more answers

Can u pls help me with this question asap

olasank [31]

$6692.50

hope this helps

6 0

3 years ago

A sphere has a radius of 2.1 cm. what is the volume of sphere in cm3 (use 3.14 for π? round to the nearest whole number.

Ket [755]

2.1 squared is 4.41, 4.41 times 3.14 is 13.84, 13.84 times 4/3 is 18.46.
your answer is 18.46 cm3

5 0

3 years ago

Solve. 14/n+7=10/n-4 N=5.25 N=3.5 N=31.5 N=30

Ilya [14]

Answer:

n=31.5

Step-by-step explanation:

The given question is:

$\frac{14}{n+7}=\frac{10}{n-4}$

Cross multiply to get:

$14(n-4)=10(n+7)$

Expand the parenthesis:

$14n-56=10n+70$

Group similar terms:

$14n-10n=70+56$

Combine the like terms

$4n=126$

Divide both sides by 4

$n=\frac{126}{4}$

n=31.5

5 0

3 years ago

Subtract: (b^2 + 9 ab + 5a ) - ( 3b^2 -25ab + 1)

Brrunno [24]

Answer:

- 2b^2 + 34ab + 5a - 1

Step-by-step explanation:

here's your solution

=> (b^2 + 9ab + 5a) - (3b^2 - 25ab + 1)

=> b^2 + 9ab + 5a - 3b^2 + 25ab - 1

=> - 2b^2 + 34ab + 5a - 1

hope it helps

6 0

3 years ago