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HACTEHA [7]
3 years ago
11

Which expression is equivalent to (18x + 9k) + (2x + 6k)?

Mathematics
2 answers:
Alika [10]3 years ago
7 0

Answer:

20x + 15K

Step-by-step explanation:

just add like variables (x and Y)

Verizon [17]3 years ago
4 0

20x + 15k is the answer we just have to remove the bracket and add the terms

hope it helps

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The diameter d in inches of a rope required to lift a weight of w tons is given by the function d = 10w/ π . How much weight can
Ilia_Sergeevich [38]

Answer:

Option D) 1.26 tons

Step-by-step explanation:

we have

d=\frac{10w}{\pi}

where

d is the diameter of a rope in inches

w is the weight in tons

we have

d=2(2)=4\ in ----> the diameter is two times the radius

substitute the value of d and solve for w

4=\frac{10w}{\pi}

w=\frac{4\pi}{10}=0.4\pi\ tons

assume

\pi =3.14

0.4(3.14)=1.26\ tons

7 0
3 years ago
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How do I find the missing sides in this triangle?
stiv31 [10]

Answer:

This is a 30-60-90 triangle so you would do this formula:

Short side (opposite the 30 degree angle) = x.

Hypotenuse (opposite the 90 degree angle) = 2x.

Long side (opposite the 60 degree angle) = x√3.

Step-by-step explanation:

6 0
3 years ago
WORK OUT (8*10^-3)*(2*10^-4)
frutty [35]
-First we have to work out what’s in parenthesis.
(8*10^-3)=(8*0.001)=0.008

-This is for the second parenthesis
(2*10^-4)=(2*0.0001)=0.0002

-Now we multiply them together

ANSWER: 0.0000016



4 0
2 years ago
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What is h a=1/2bh what is h
Ivahew [28]
If it is a triangle h is height and b is base.
8 0
3 years ago
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Jason wrote 1 1/3 as a sum of 3 fractions. None of the fractions had a denominator of 3. What fractions might Jason have used?
ziro4ka [17]
11/6 , 1/6 and 10/6 are the answer
5 0
3 years ago
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