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mart [117]
3 years ago
6

280 is what percent of 400?

Mathematics
2 answers:
skad [1K]3 years ago
4 0
It would be 70% of 400

490(.7) = 280
bazaltina [42]3 years ago
4 0
It would be 7% because .7 is a decimal so if you convert it into a percent it will be 7%
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-36 times a number minus 75 is equal to 65 less than the number. What is the number?
nadezda [96]
<span><span><span>−<span>36n</span></span>−75</span>=<span>n−65</span></span><span>−36n−75−n</span><span>=</span><span>n−65−n</span>
<span><span><span>−<span>37n</span></span>−75</span>=<span>−65</span></span><span><span><span><span>−<span>37n</span></span>−75</span>+75</span>=<span><span>−65</span>+75</span></span><span><span>−<span>37n</span></span>=10</span><span><span><span>−<span>37n</span></span><span>−37</span></span>=<span>10<span>−37

</span></span></span><span>n= <span><span>−10/</span>37  <--------- answer</span></span>
8 0
3 years ago
What is Y equals 7x plus 3
Ilia_Sergeevich [38]
Hm.. That's a hard one is the answer..10??
3 0
3 years ago
Please help I have been stuck for a while
goldfiish [28.3K]

Answer:

B. 50 degrees

Step-by-step explanation:

I am not 100% sure and if this is a right triangle, then it's measure is 90 degrees. So, 140 degrees minus 90 degrees would total, 50 degrees.

6 0
3 years ago
Read 2 more answers
A laptop is in the shape of a rectangular prism. The laptop has a length of 14
muminat

Answer:

V=210 square inches

Step-by-step explanation:

Volume formula for a rectangular prism is V=lwh

So Volume=Length x Width x Height

V= 14 x 10 x 1.5

V=210 square inches

3 0
3 years ago
Suppose y varies directly with x, and y = 24 when x = 8. What is the value of y when x = 10?
Solnce55 [7]
First, you want to set up a proportion.

8/24 = 10/y

Cross multiply to get

240 = 8y, then divide 8 from both sides to get y = 30.
6 0
3 years ago
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