3 years ago

What is the distance around a triangle with the sides measuring 2⅛, 3½ and 2½?

1 answer:

7 0

So when you have data given this kind of form... you should convert to decimal first.
So that would be:
a ≈ 2.12
b = 3.5
c = 2.5
Now just place the simple perimeter formula, and sum all sides.

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If Alex has 4 times as many dimes as nickels and they have a combined value of 270 cents, how many of

bija089 [108]

Answer:

Nickel has 54 cents and Alex has 216 cents.

Step-by-step explanation:

Hope it helps u :)

5 0

2 years ago

(show ur work) You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

vesna_86 [32]

Answer:

8 dollars per pound

Step-by-step explanation:

40 divided by 5 will give you the $/lb

40/5=8 so its $8/lb

3 0

2 years ago

Read 2 more answers

A certain star is 2.4 x 102 light years from the Earth. One light year is about 5.9 x 1012 miles. How far

Studentka2010 [4]

Answer:

2.5 x $10^{15}$ miles

Step-by-step explanation:

We are given that 1 light year ≈ 5.9 x $10^{12}$ miles so:

4.3 x 10² light year · <u>5.9 x </u> $10^{12}$ <u> miles </u>
1 light year

Multiply 4.3 an 5.9 and round to 2 significant digits then add the exponents:

≈25 x $10^{14}$

This is not the scientific notation since the number is not between 0 and 10 so we move the decimal point by 1 place to the left. We then add 1 to the exponent to obtain the final answer:

≈ 2.5 x $10^{15}$ miles

6 0

2 years ago

Find the total area of the figure below.

saw5 [17]

You just add everything

20 + 11 + 9 + 9 + 4 + 4
= 31 + 9 + 9 + 4 + 4
= 40 + 9 + 4 + 4
= 49 + 4 + 4
= 53 + 4
= 57

So therefore ur answer is (A) 57 square yards.

4 0

2 years ago

Helppppppppppppp plssssssssssss

oksian1 [2.3K]

Pretty sure the first one is C

3 0

3 years ago