3 years ago

PLEASE HELPPPP. 9TH GRADE MATH. I NEED HELP

Mathematics

2 answers:

djyliett [7]3 years ago

6 0

Answer:

D, -8

Step-by-step explanation:

dimaraw [331]3 years ago

3 0

Answer:

-8

Step-by-step explanation:

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Simplify 1/3a+3/5-1/15+2/3a

Misha Larkins [42]

Answer: $\frac{15+8a}{15a}$

Step-by-step explanation:

$=\frac{1}{3a} +\frac{3}{5} -\frac{1}{15}+ \frac{2}{3a} \\= \frac{1}{3a} +\frac{8}{15} +\frac{2}{3a} \\=\frac{5+8a+10}{15a} \\=\frac{15+8a}{15a}$

7 0

1 year ago

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Please explain the answer. Thank you!

denis-greek [22]

Answer:

Neither

Step-by-step explanation:

Neither because sometimes as x increases, y increases and sometimes as x increases, y decreases so this graph have no corrleation so it neither.

6 0

2 years ago

Are these fractions equivalent

kykrilka [37]

Answer:

Equivalent

Step-by-step explanation:

Look at 6/18. 18 divided by 6 is 3, which is the denominator. 6 divided by 6 is 1, so the numerator. So 1/3.

6 0

2 years ago

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Triangle A B C is shown. Angle A C B is a right angle. An altitude is drawn from point C to a point on side A B to form a right

mars1129 [50]

Answer:

$BC=15\ units$

Step-by-step explanation:

see the attached figure to better understand the problem

In the right triangle ABC

Applying the Pythagorean Theorem

$AB^2=AC^2+BC^2$

substitute the given values

$17^2=8^2+BC^2$

solve for BC

$BC^2=17^2-8^2$

$BC^2=225$

$BC=15\ units$

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2 years ago

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horsena [70]

Answer:

x=2/5

Step-by-step explanation:

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2 years ago