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Rufina [12.5K]
4 years ago
8

******WHO ANSWERS WILL BE MARK AS BRAINLIEST******\

Mathematics
2 answers:
Nostrana [21]4 years ago
7 0

Answer:

ED = 6√3 cm

Step-by-step explanation:

This is a 30-60-90 triangle. Remember the rules. Hypotenuse is always 2x. Leg across from 60° is x√3. Leg across from 30° is x.

12 = 2x

x = 6

ED = x√3

ED = 6√3

Inga [223]4 years ago
4 0

Answer:

it's the first one

Step-by-step explanation:

i took the test, got it right

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Find the slope of the line that passes through the points (–2, 2) and (13, –7).
vodka [1.7K]

Answer:

-0.6

Step-by-step explanation:

4 0
3 years ago
Someone pls help me . Will mark brainliest !!
olga_2 [115]

Answer:

3, 10, 1080

Step-by-step explanation:

A coefficient, is the number that is multiplying a variable, such as x. A constant is any other number, not multiplying a variable.

For part one, the number multiplying the variable x is 3, so 3 is the coefficient.

For part two, the only number not multiplying a variable is the 10, so that is the constant.

To find how many miles she drove, we first need to subtract the first 30 dollars from the final payment.

300-30=270

We than need to divide 270 by .25, because that is how much it costed per mile.

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4 0
4 years ago
Read 2 more answers
If alc and ab = c, prove that alb
balandron [24]

Answer:

This isn't true.

Step-by-step explanation:

Think of the case a=2, b=3 and c=6. We have that a|b, since 2|6.

We also have that ab=c, since 2*3=6. However, it is NOT true that a|b, as 2 does NOT divide 3. As this you can construct many other examples where a|c and ab=c BUT a does NOT divide b.

Other counterexamples:

a=2, b=5, c=10

a=2, b=7, c=14

a=2, b=11, c=22

a=2, b=13, c=26

3 0
3 years ago
a botanist was measuring how tall her plant grew. after two weeks it had grown 9.62 inches. the second week alone it had grown 3
Elanso [62]

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6.5 inches

Step-by-step explanation:

Take the total 9.62 inches

Remove the 3.12 inches from the second week and there is your answer!

6 0
3 years ago
Solve for b a=b-4/c
Agata [3.3K]

Answer:

Rewrite the equation as

3

b

+

4

c

=

a

.

3

b

+

4

c

=

a

Subtract

4

c

from both sides of the equation.

3

b

=

a

−

4

c

Divide each term by

3

and simplify.

Tap for more steps...

b

=

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3

−

4

c

3

Step-by-step explanation:

6 0
3 years ago
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