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Sliva [168]
3 years ago
13

What is the solution to −1/4(d+1)<2

Mathematics
1 answer:
kogti [31]3 years ago
5 0

Answer:

d > -9

Step-by-step explanation:

-\dfrac{1}{4}(d + 1) < 2

First, multiply both sides by -4. You must also change the inequality sign since you are multiplying both sides by a negative number.

-4 \times \left(-\dfrac{1}{4}\right)(d + 1) > 2 \times (-4)

d + 1 > -8

Subtract 1 from both sides.

d + 1 - 1 > -8 - 1

d > -9

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Fraction word problems Your strip of paper represents one lap on a track. Three students ran a relay and took turns running equa
artcher [175]

Answer:

A quarter (\dfrac{1}{4}) of one lap of the track.

Step-by-step explanation:

Three students ran ran a relay and took turns running equal parts of the track.

The race was three-fourths of a lap long.

Let the length of one lap of the track=x

The length of the race=\frac{3}{4}x

Since each of the students ran equal part,

Length run by each student

=\dfrac{3}{4}x \div 3\\=\dfrac{3}{4}x X \dfrac{1}{3}\\=\dfrac{1}{4}x

Therefore, each student ran a quarter (\dfrac{1}{4}) of one lap of the track.

5 0
3 years ago
5milimeter7centimeter+1milimiter=
Marrrta [24]
7milimeters7centumeters
8 0
3 years ago
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Svet_ta [14]

Answer:

$35 for each sweater

Step-by-step explanation:

First subtract the skirt $160 - $20 = $140

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Answer: 35

4 0
4 years ago
System by elimination <br><br>2x - y = -3 <br>-2x - 8y = 12​
topjm [15]

Answer:

x= -2 y= -1

Step-by-step explanation:

stack the 2 equations on top of each other and add them together

the 2x and -2x cancel out and you are left with -9y=9

this gives you y= -1

you plug the y value into one of the equations:

2x - (-1) = -3

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2x= -4

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7 0
3 years ago
4.4 + (4 × 14 + 8.6)
Sedaia [141]

4.4 + (4 × 14 + 8.6)

Follow the order of operations (PEMDAS).

4.4+(56+8.6)

4.4+(64.6)

answer: 69

6 0
3 years ago
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