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julia-pushkina [17]
3 years ago
13

What are the solutions of the quadratic equation (x+3)2=49?

Mathematics
2 answers:
Vesnalui [34]3 years ago
8 0
\bf (x+3)^2=49\implies x+3=\pm\sqrt{49}\implies x+3=\pm 7
\\\\\\
x=\pm 7 -3\implies x=
\begin{cases}
4\\
-10
\end{cases}
vredina [299]3 years ago
7 0

Answer:

its C on edge

Step-by-step explanation:

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Use the diagram to fill in the blanks<br> x=<br> m∠=
faust18 [17]

Answer:

x = 21, m∠A = 23°, the measure of angle in the right = 67°

Step-by-step explanation:

The angles of a triangle sum up to 180°.

Right angles equals to 90°.

Thus, (2x - 19)° + (3x + 4)° + 90° = 180°

=> 5x + 75 = 180

=> 5x = 105

=> x = 21

m∠A=> 2(21) -19 = 23°

the measure of angle in the right=> 3(21) + 4 = 67°

8 0
2 years ago
What value of w that makes the equation true 2/3(w+3) = 7
alexdok [17]
The answer is 7.5 or 15/2
3 0
3 years ago
Can you kindly help me out please?!
Mila [183]

Answer:

32h^7

Step-by-step explanation:

(4h^4)3=64h^12

64h^12/2h^5=

32h^12/2h^5=32h^7

Hope this helps :)

5 0
2 years ago
The lines graphed below show the amounts of water in two tanks as they
maria [59]

Answer:

Tank B

Step-by-step explanation:

Proportional relationships are relationships between two variables with equivalent ratios. For a proportional relationship, one variable is always a constant value times the other. A line is a proportional relationship if it starts from the origin, but if it does not start from the origin, it is not proportional.

From the two tanks, we can see that tank A have a y intercept whereas tank B starts from the origin. Therefore tank B shows a proportional relationship.

6 0
2 years ago
300 T(w) = 530 - w
Semmy [17]

T(110) is used to calculate the value of T when w = 110.

<h3>Linear equation</h3>

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the rate of change (slope) and b is the y intercept.

Given the linear equation:

T(w) = 530 - w

Hence T(110) is used to calculate the value of T when w = 110.

Find out more on Linear equation at: brainly.com/question/13763238

6 0
2 years ago
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