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Maru [420]
3 years ago
7

Please help!!!! Whoever answers these three questions correctly first will get brainliest answer!!!!!

Mathematics
2 answers:
inna [77]3 years ago
4 0
4. -8
5. 24
6. I can't see it properly so if it's ÷ answer is 9 if it's - answer is -70
vladimir2022 [97]3 years ago
3 0
4. original = 12 degrees
Rose by 8 degrees
12+8= 20
drop by 28 degrees
20-28= -8 degrees.
So the answer is -8°.


5. (-6) * (-4) = 24

when a negative times a negative, the result will turn positive.


6. I believe it's a divide sign, ➗
-63 / -7 = 9
when a negative divides by a negative, the result turns positive.

But if it's a positive sign, than it's -70.
-63 + -7= -70
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There are 486 hamsters at a private showing of a new documentary about humans. If there are 12 seats in each row, about how many
Citrus2011 [14]

Answer:

40 rows will hamsters fill

Step-by-step explanation:

As per the statement:

There are 486 hamsters at a private showing of a new documentary about humans.

⇒Total number of hamsters = 486

It is also given that there are 12 seats in each row.

then;

They will fill = \frac{486}{12} = 40.5

Therefore, the best estimate the rows will hamsters fill is 40 rows.

7 0
4 years ago
For home economics class Sandra has 5 cups of flour she made three batches of cookies that each used 1.5 cups of flour write and
Ray Of Light [21]
5- 1.5x = y 
5-1.5(3) = y
5- 4.5 = y
.5 cups = y
7 0
3 years ago
What is an algebraic expression for ​"41 more than y ​"?
iren2701 [21]
All you have to do is add the number to the variable you need to. It works the same for subtraction instead you will put y-14 or any variable and number that is needed to subtract from it and remember when they say a number more than a variable it is + that number if they say a number less than a variable it is - that number .


y+14
6 0
3 years ago
What is the hypotenuse of a right triangle if the legs are each 20 inches long? Round to the nearest whole number. A. 28 B. 29 C
marusya05 [52]

Answer:

The answer is A.

Step-by-step explanation:

You have to apply Pythagoras Theorem :

{c}^{2}  =  {a}^{2}  +  {b}^{2}

let \: a = 20,b = 20

{c}^{2}  =  {20}^{2}  +  {20}^{2}

{c}^{2}  = 800

c =  \sqrt{800}

c = 28 \: (nearest \: whole \: no.)

P.S (Take note):

Pythagoras Theorem can only applied in <u>r</u><u>i</u><u>g</u><u>h</u><u>t</u><u> </u><u>a</u><u>n</u><u>g</u><u>l</u><u>e</u><u> </u><u>t</u><u>r</u><u>i</u><u>a</u><u>n</u><u>g</u><u>l</u><u>e</u>.

7 0
4 years ago
Read 2 more answers
Please help i have no clue how to do this. any tips please and thank you :)
horsena [70]
circumference= 2(pi)r OR (pi)d
d is diameter and r is radius

if the circumference is given, then you would have to work backwards.

in this case, Circumference = 78.5 ft

the equal you would use for the radius would be 78.5 = 2 x 3.14(pi) x r
- multiply 2 x 3.14 and get 6.28
- divide 6.28 on both sides to get ‘r’ by itself
- 12.5 = r

next, for the diameter you can use C= (pi) x d
- 78.5 = 3.14 x D
- divide 3.14 on both sides to get ‘d’ by itself
- 25 = d

hope this helps! make brainliest please
3 0
3 years ago
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