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2 years ago

I'm in desperate need of help <\3

Mathematics

1 answer:

denis-greek [22]2 years ago

6 0

Answer:

8 Answer is a) R

And

9 Answer is b) -4

Answer of your Question bro and good evening and I hope this will help you and please mark me as brainliest and thank u have a amazing day

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Eighty is 0.4 of what number

olga_2 [115]

80=0.4*x => x=80/0.4=800/4=200

6 0

3 years ago

Read 2 more answers

|-25.6|+|-11.4| What is the answer to this

12345 [234]

37. The absolute value symbol turns any negative number positive if it's within those brackets, so that's why the answer is positive. Hope this helped!

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3 years ago

In three hours, Company ABC can make X ball bearings. Company DEF can make X ball bearings in 4 hours. Company GHI can make X ba

amm1812

Answer:

X ball bearings will be made in 1 hour and 20 minutes

Step-by-step explanation:

Proportions

The proportions give us an important tool to easily solve common problems of any type. We know that:

Company ABC can make X ball bearings in 3 hours.

Company DEF can make X ball bearings in 4 hours.

Company GHI can make X ball bearings in 6 hours.

In one hour, each company can make

ABC: X/3 ball bearings

DEF: X/4 ball bearings

GHI: X/6 ball bearings

Working together, they can make

$\displaystyle \frac{X}{3}+\frac{X}{4}+\frac{X}{6}$

ball bearings. Operating

$\displaystyle \frac{4X+3X+2X}{12}=\frac{9X}{12}=\frac{3X}{4}$

If they can make 3/4 of a ball bearing in one hour, then one complete ball bearing will need

$\displaystyle \frac{4}{3}$ hours to complete. It's equivalent to 1 1/3 hours or 1 hour and 20 minutes

X ball bearings will be made in 1 hour and 20 minutes

8 0

3 years ago

Please help me with math please, they are number lines

tekilochka [14]

The ccorrect answer is C

4 0

3 years ago

Find the slope of the line Y=-3x - 4

Dimas [21]

Let y=0 to find the x-intercept(s).
0=−3x−4

Add 4 to both sides.
4=−3x

Divide both sides by -3
-4/3 =x (fraction)

Switch sides.
x=−4/3 (fraction)

Let x=0 to find the y-intercept(s).
y=−3×0−4

Simplify
y=−4

6 0

3 years ago