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dangina [55]
3 years ago
5

To decrease an amount 70% what single multiplier would you use

Mathematics
1 answer:
Alex787 [66]3 years ago
4 0
It should be 0.3 since 100% is 1 and 70% is 0.7.
1.0-0.7=0.3

For ex, 100 decreasing 70% should be 30. 100x0.3=30
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Evaluate the following expressions for a = -3,b=2,c=5
Ksju [112]

Hey!

----------------------------------------------------------------------

We know that (a = -3), (b = 2), (c = 5), and (d = -4).

----------------------------------------------------------------------

Solution #1:

=\frac{a-4b}{3c+2d}

=\frac{(-3) - 4(2)}{3(5) + 2(-4)}

=\frac{(-3) - 8}{15 +( -8)}

=\frac{-11}{7}

≈ 1.57

----------------------------------------------------------------------

Solution #2:

= a - 4b / 3c + 2d

= (-3) - 4(2) / 3(5) + 2(-4)

= (-3) - 8 / 15 + (-8)

= (-3) - 0.53 + (-8)

= (-3.53) + (-8)

= -11.53

----------------------------------------------------------------------

Solution #1 Answer: 1.57

Solution #2 Answer: -11.53

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Hope This Helped. Good Luck! Brainly is here to help :)

6 0
3 years ago
Mrs.Jenning had 5/7 gallon of paint. She gave 1/7 gallon each to some students. How many students received paint if Mrs.Jennings
yKpoI14uk [10]

Answer:

The number of students who received the paint=5 students

Step-by-step explanation:

Step 1: Determine amount given to each student

Quantity per student=1/7 gallon per student

Step 2: Determine the total amount of paint Mrs. Jennings had

The total quantity of paint Mrs. Jennings is:

Initial quantity of paint=5/7 gallon

Step 3: Calculate number of students who received the paint

The number of students who received the paint can be expressed as;

Initial quantity of paint=Quantity per student×number of students

where;

Initial quantity of paint=5/7 gallons

Quantity per student=1/7 gallons

number of students=n

replacing;

5/7=(1/7)×n

n=(5/7)×7

n=5

The number of students who received the paint=5 students

4 0
3 years ago
If angle AOB = 4x - 2 and BOC = 5x + 10 and COD = 2x + 14. What is x?
Softa [21]
Angle AOD = 180
4x-2 + 5x+10 + 2x+14 = 180
11x + 22 = 180
11x = 180 - 22 = 158
x = 158/11
5 0
3 years ago
Read 2 more answers
The temperatures were 62°F, 60°F, 59°F, 64°F, 65°F, 60°F, 70°F, 78°F, 60°F, and 71°F.
dmitriy555 [2]
Median- 63
mode-60
to find the median you arrange the values from the lowest to highest value, then you find the MIDDLE number.. if theres two in the middle add them and divide by two.
the mode is the Q3 - Q1 (70-60)
6 0
3 years ago
Read 2 more answers
Shae is covering a wall in her bedroom with wallpaper. The measurement of the wall is 12 ft x 14 ft.
Korvikt [17]

Answer:

4 rolls

Step-by-step explanation:

Area of the wall = 12 *14 = 168 square feet

1 roll = 42 square feet.

x roll = 168

1/x = 42/168                  Cross  Multiply

42x = 168                      Divide by 42

x = 168/42

x = 4 rolls

5 0
3 years ago
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