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Elden [556K]
3 years ago
8

8x-4+6x+15 I’ll give brainliest if you answer!

Mathematics
1 answer:
guapka [62]3 years ago
6 0

Answer:

14X + 11

Step-by-step explanation:

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Find the area of the triangle.<br><br> The area of the triangle is <br> square units.
kicyunya [14]

A=40

Step-by-step explanation:

A= b×h÷2

A=10×8÷2

A=80÷2

A=40

5 0
3 years ago
Read 2 more answers
What is the answer to 5x+9x=100?
alexira [117]

Answer:

50/7.

Simplified to 7.14.

Step-by-step explanation:

Combine like terms, 5x and 9x.

5x+9x=14x

14x = 100

14x / 14 = 100 / 14

x = 50/7 or 7.14

Hope this helps!

5 0
3 years ago
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3x^2yz^3-9x^3y^2z^2+12x^2y^3z^2
PolarNik [594]

3×2=692047 82837=284749×2484r133.e9274

6 0
3 years ago
Please help me <br> 20 points <br> Show your work
NARA [144]

Answer:

Construction of perpendicular to line <em>m</em> is shown in image attached

Step-by-step explanation:

Steps For construction of perpendicular on line <em>m</em> from from point <em>P:</em>

1) Open a compass more than a half the length of line <em>m</em>.

2) From one end of the line mark man arc on above the line.

3) Now, from the another end construct another arc cutting the previous arc. Name this point of intersection as <em>Q.</em>

4) Finally draw straight line  from point <em>Q</em>  through <em>P</em> to the line m.

5) Construction of perpendicular to line <em>m</em> is shown in image attached.

uyiefrt78

6 0
4 years ago
Find the value of the test statistic z using zequalsStartFraction ModifyingAbove p with caret minus p Over StartRoot StartFracti
il63 [147K]

Answer:

C. 2.937

Step-by-step explanation:

Given the following :

H0 : p = 0.25

H1 : p > 0.25

Number of observations (n) = 647

p' = 30% = 0.3

SD = sqrt[(p(1 - p) / n)]

1 - p = 1 - 0.25 = 0.75

SD = sqrt[(0.25 * 0.75) / 647]

SD = sqrt[0.0002897]

SD = 0.0170234

Z = (p' - p) / SD

Z = (0.3 - 0.25) / 0.0170234

Z = 0.05 / 0.0170234

Z = 2.9371187 = 2.937

5 0
3 years ago
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