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san4es73 [151]
3 years ago
11

Find x. (Please show steps!)

Mathematics
1 answer:
Softa [21]3 years ago
3 0

Answer:

<h3>              37</h3>

Step-by-step explanation:

x^2-35^2=13^2-5^2\\\\x^2-1225 = 169-25\\\\x^2=144+1225\\\\x^2=1369\\\\x=\sqrt{1369}\\\\x=37

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If (angle)A and (angle)B are supplementary, and m(angle)A = 57°, what is m(angle)B?
Sedbober [7]

Answer:

123°

Step-by-step explanation:

Supplementary angles add up to be 180 degrees.

This means angles A and B will add up to be 180 degrees.

We can find the measure of angle B by subtracting 57 from 180

180 - 57

= 123

So, the measure of angle B is 123 degrees

7 0
3 years ago
Factorize:<br>3a^2 + 10a + 3​
sergey [27]

Answer: (3a + 1) (a + 3)

Step-by-step explanation:

<u>Concept:</u>

Here, we need to know the idea of factorization.

It is like "splitting" an expression into a multiplication of simpler expressions. Factoring is also the opposite of Expanding.

<u>Solve:</u>

Given = 3a² + 10a + 3

<em>STEP ONE: separate 3a² into two terms</em>

3a

a

<em>STEP TWO: separate 3 into two terms</em>

3

1

<em>STEP THREE: match the four terms in ways that when doing cross-multiplication, the result will give us 10a.</em>

3a     1

a       3

When cross multiply, 3a × 3 + 1 × a = 10a

<em>STEP FOUR: combine the expression horizontally to get the final factorized expression.</em>

3a  ⇒   1

a   ⇒    3

(3a + 1) (a + 3)

Hope this helps!! :)

Please let me know if you have any questions

7 0
3 years ago
A scientific model doesn’t need to be something physical. It can also be a mathematical __________
MAVERICK [17]

Answer:

2+4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the slope of the line shown below (-7, 2) (4,6)
icang [17]

Answer:

3/11

Step-by-step explanation:

it is 3/11  because you do y1-y2 divided by x1-x2


3 0
3 years ago
Read 2 more answers
I need help with number 16 please.
Kruka [31]
The graph is misleading because the sizes compared to the percentages are off. a more appropriate way to show the data would be with a bar graph.
Hope this helps!
Vote me brainliest!
8 0
3 years ago
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