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GenaCL600 [577]
3 years ago
6

Help plssssssssssssssssssss

Mathematics
2 answers:
Elina [12.6K]3 years ago
4 0

answer- 18

explanation- 40% of 120= 48 and 25% of 120= 30.

hope this helps !

Semenov [28]3 years ago
3 0
First we need to calculate 25% of 120. If 120=100% and X=25% then 120•25=100•X
3000=100X
X=30. Now we know that 25% of 120 is 30.
Now we need to calculate 40% of 120. If 120=100% and y=40%, then 120•40=100y
4800=100y
y=48. Now we know that 40% of 120 is 48.
To find out how many more questions had Riley finished then Annabel, we need to subtract 48 with 30
48-30=18
FINAL ANSWER—18

Hope this helped❤️
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-2x+y=-8 and 4x-6y=-24 I need help :(
Varvara68 [4.7K]

Answer: <u>2x+y=-8</u> = <u>x=-1/2y-4  </u>        

<u>4x-6y=-24 </u>= <u>x =3/2y-6</u>

Step-by-step explanation:

2x+y=-8 -- Step 1: Add -y to both sides.

2x+y+−y=−8+−y

2x=−y−8

Step 2: Divide both sides by 2.

2x/2=-y-8/2

<h3 />

4x-6y=-24 -- Step 1: Add 6y to both sides.

4x−6y+6y=−24+6y

4x=6y−24

Step 2: Divide both sides by 4.

4x/4=6y-24/4

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3 years ago
-14x &gt; -3 can someone help please
I am Lyosha [343]

Answer:

.

Step-by-step explanation:

8 0
3 years ago
What is the slope of a line perpendicular to the line whose equation is 4x−10y=404x−10y=40. Fully simplify your answer.
Anna007 [38]

Answer:

-  \frac{5}{2}

Step-by-step explanation:

4x -10y= 40

Let's rewrite this equation in the slope-intercept form (y= mx +c) so that we can obtain it's slope.

10y= 4x -40

Divide both side by 10:

y =  \frac{2}{5} x - 4

The product of the gradients of perpendicular lines is -1.

⅖(gradient of line)= -1

Gradient of perpendicular line

=  - 1 \div  \frac{2}{5}

=  - 1 \times  \frac{5}{2}

=  -  \frac{5}{2}

5 0
3 years ago
What is 21000 take away two thirds
NISA [10]

Answer:

7000

Step-by-step explanation:

21000/0.667

=14000

21000-14000

=7000

3 0
3 years ago
Can you please help me answer these two please
Natalija [7]
What’s the question asking for?
6 0
3 years ago
Read 2 more answers
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