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Oliga [24]
4 years ago
13

Subtract 5x−2 ​​from​ −3x+4 .

Mathematics
1 answer:
Elanso [62]4 years ago
5 0

Answer:

-8x +6

Step-by-step explanation:

5x−2 ​​from​ −3x+4 .

This means take the 2nd number and subtract the 1st

-3x +4

-( 5x -2)

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

Distribute the negative sign

-3x +4

- 5x +2

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

-8x +6

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An unknown number is increased by -3. the result is -8<br> find the unknown number
Rudiy27

Answer:

The unknown number is -5.

Step-by-step explanation:

-3 + -5 = -8

-8 - -3 = -5

-8 - -5 = -3

6 0
3 years ago
If one face of a cube has an area of 6.75 square inches, what is the surface area of the entire cube?
Marianna [84]

Answer:

33.75

Step-by-step explanation:

Brainiest?

8 0
3 years ago
Dillon plans to invest $16,000 part at 4% simple interest and the rest at 5% simple interest what is the most he can invest at 4
Nuetrik [128]

Answer:

The most Kyle can invest at 4% is $10000.

Step-by-step explanation:

<u>To Determine:</u>

What is the most he can invest at 4% and still be guaranteed at least $700 in interest per year?

<u>Information Fetching and Solution Steps:</u>

As

  • Dillon plans to invest $16,000 part at 4% simple interest
  • and the rest at 5% simple interest

So,

If Kyle has to invest $16,000. then the following equations can be established from the given data

x + y = 16,000

.04x + .05y = 700

Multiplying the second equation by 100, we get,

4x+5y = 70000

Multiplying the 1st equation i.e. x + y = 16,000 by 5

5x + 5y = 80000

So, the equations become

\begin{bmatrix}5x+5y=80000\\ 4x+5y=70000\end{bmatrix}

\mathrm{Isolate}\:x\:\mathrm{for}\:5x+5y=80000:\quad x=16000-y

As

5x+5y=80000

5x+5y-5y=80000-5y

5x=80000-5y

\frac{5x}{5}=\frac{80000}{5}-\frac{5y}{5}

x=16000-y

\mathrm{Subsititute\:}x=16000-y

\begin{bmatrix}4\left(16000-y\right)+5y=70000\end{bmatrix}

\mathrm{Isolate}\:y\:\mathrm{for}\:4\left(16000-y\right)+5y=70000:\quad y=6000

As

4\left(16000-y\right)+5y=70000

64000-4y+5y=70000

64000+y=70000

y=6000

\mathrm{For\:}x=16000-y

\mathrm{Subsititute\:}y=6000

x=16000-6000

x=10000 $

Therefore, the most Kyle can invest at 4% is $10000.

Keywords: interest rate, equation

Learn more equation involving interest rate from brainly.com/question/1504250

#learnwithBrainly

6 0
3 years ago
What is the slope of the line through (-3, 3) and (-1,-1)?
stira [4]
It’d be B, -2

You move right one space and then down two spaces
5 0
3 years ago
A rectangle has a width of 7.9ft and a perimeter of 27.2 Ft enter the length of the rectangle, in decimal form in the box
vodomira [7]
5.7 is the answer because if one side is 7.9 the parallel is the same a rectangle. The is you add those, you get 15.8. The equation now is 15.8+x=27.2. 27.2-15.8 is 11.4 which is then divided to find the two sides which makes them 5.7.

7 0
4 years ago
Read 2 more answers
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