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fomenos
3 years ago
13

Please the answer for 1 with the step

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
6 0
First find the value of h, or the height using the pythagorean theorem.

13^2=15^2+h^2
289=225+h^2
h^2=64
h=8

Then use the formula bh/2 to find area of the triangle.

10*8/2=40

Final answer: A
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snow_lady [41]

Answer:

49ft

Step-by-step explanation:

4×10=40

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40+9=49

4 0
3 years ago
Factorise (3a - b)(a + b) - (3a - b)²
vredina [299]

Answer:

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Hope this helps

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5 0
3 years ago
Read 2 more answers
Need help with this asap <br> 5x+2+2x-10
Bess [88]

Answer:

7x - 8

Step-by-step explanation:

5x + 2 + 2x - 10

Rearrange terms:

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Combine like terms (add 2x and 5x):

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6 0
3 years ago
MATH PLEASE HELP!! HELP BADLY NEEDED....
Molodets [167]
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Same side interior- e, g, k, m, and p
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3 0
3 years ago
Which is an equation of the line that has a slope of 1/2 and passes through the point (2, 4)?
irina1246 [14]

Answer:  y = \frac{1}{2}x +3  (Choice A)

Work Shown:

y - y_1 = m(x - x_1)\\\\y - 4 = \frac{1}{2}(x - 2)\\\\y - 4 = \frac{1}{2}x + \frac{1}{2}(- 2)\\\\y - 4 = \frac{1}{2}x - 1\\\\y = \frac{1}{2}x - 1+4\\\\y = \frac{1}{2}x +3\\\\

Explanation: I started with the point-slope form. Then I plugged in the given slope m = 1/2 and the point (x1,y1) = (2,4). Afterward I solved for y.

The answer is in slope-intercept form y = mx+b

3 0
1 year ago
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