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Andrews [41]
3 years ago
12

PLEASE HELP WILL MARK BRAINLY

Mathematics
2 answers:
Korolek [52]3 years ago
7 0

Answer:

1.

12 maths book =40 pounds

21 maths book =<em>4</em><em>0</em><em>×</em><em>2</em><em>1</em><em>/</em><em>1</em><em>2</em><em>=</em><em>7</em><em>0</em><em> </em><em>pounds</em>

2.it may be 4.8 or 4.7 sorry question is not clear

3.

perimeter of trapezoid =sum of all side=12+10+19+15=56in

4.

area of trapezoid =1/2 (s1+s2)×h

=1/2 ×12(10+19)=174in²

5.

4²=16

√4=2

so 4² is 8times grater.

jasenka [17]3 years ago
4 0

Answer:

A, C, D, A, C

Step-by-step explanation:

This is one through five.

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Please help! I will mark as brainliest IF answer is right. &lt;3
pantera1 [17]

Answer:

420/69

Step-by-step explanation:

8 0
3 years ago
Vito has a fair 20-sided die with the faces
Hitman42 [59]

Answer:

15, C

Step-by-step explanation:

Any number is equally likely to appear. Therefore, we have 3/20 * 100 = 15. This is C.

Hope this helped!

~clouddragon

5 0
2 years ago
HElPP<br> what is 232 if it's scaled down by a factor of 1/10
Lynna [10]

Answer:

23.2

Step-by-step explanation:

Scaling down by a factor of 1/10 is equal to dividing the number by 10.

So 232 getting scaled down by a factor of 1/10 is equivalent to 232/10 i.e. 23.2.

3 0
2 years ago
Jake runs the 100-meter dash in
SSSSS [86.1K]

Answer:

400 meters

Step-by-step explanation:

We are told in the question that:

Jake runs the 100-meter dash in

track.

Erika runs a race 400% the distance of Jake's race.

Hence, the length of

Erika's race is calculated as:

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= 4 × 100- meter

= 400 meters

Therefore, Erika's race was 400 meters long.

4 0
3 years ago
How many seconds are in 35 min
GenaCL600 [577]

Answer:

2100

Step-by-step explanation:

Key: there are 60 secondes in a minute

60x35= 2100

3 0
2 years ago
Read 2 more answers
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