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shusha [124]
3 years ago
15

Please help!! Giving brainliest and extra points!!! (Click on photo)

Mathematics
1 answer:
maks197457 [2]3 years ago
4 0
280 ft cubed I believe
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A rectangle hale card has a length of 3/10 and a width of 4/5 find the perimeter
postnew [5]

Answer:

22/10 or 2 and 1/5

Step-by-step explanation:

To find the perimeter, add all sides together. Since it's a rectangle, the other sides are the same measurement as the ones given. Add 3/10, 3/10, 4/5, and 4/5 together. To do this, find a common denominator. The lowest common denominator is 10 so multiply the 4/5 by 2/2 to get the denominator to be 10. Now, add 3/10, 3/10, 8/10, and 8/10. It adds up to 22/10 but if you don't want an improper fraction, simplify it to 2 and 1/5.

4 0
3 years ago
Please solve this equation for two answers Solve (4x-1)^2=11
Delvig [45]
One root is 1.0791561975888, the other is -0.57915619758885.
7 0
3 years ago
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PLEASE HELP 7TH GRADE MATH
Rom4ik [11]

Answer:

2\pi \times r

1. 2×3.14×80

=502.4 m

4. 90 pound on Earth weighs 34 pounds on Mars.

If it weighs 135 pounds on earth, it will weigh x pounds on Mars

=90×=135×34

=90x=4590

=x=4590÷90

x=51 pounds

So therefore it weighs 51 pounds on Mars.

Step-by-step explanation:

in question 4 you have to cross multiply

6 0
2 years ago
Super store buys a basketball for $8.00 and marks it up by 40% . Find the markup amount and the selling price .
Fynjy0 [20]

If your cost is $8.00 and you wish to markup that price by 40%, 80% + 40% = 120%. Divide the $8.00 cost by 120% and get the retail price of $15.00. Therefore, the markup amount is $7.00 ($15.00 - $8.00 = $7.00) and the selling price is $15.

5 0
3 years ago
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You can walk 1
Zigmanuir [339]

Speed=distance ÷ time

Distance =134

Time=12

132÷12=11

Speed= 11 .

7 0
2 years ago
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