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ss7ja [257]
3 years ago
5

Solve the equation. 3/5K+5=7

Mathematics
2 answers:
MAXImum [283]3 years ago
7 0

Simplify 3/5k to 3k/5

3k/5 + 5 = 7

Subtract 5 from both sides

3k/5 = 7 - 5

Simplify 7 - 5 to 2

3k/5 = 2

Multiply both sides by 5

3k = 2 × 5

Simplify 2 × 5 to 10

3k = 10

Divide both sides by 3

<u>k = 10/3</u>

k0ka [10]3 years ago
4 0

3/5K+5=7

subtract 5 from both side

3/5 k = 2

multiply by 5/3

3/5 *5/3 k = 2 * 5/3

k = 10/3

in mixed number form

k = 3 1/3

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Mary's total bill for a used car is $2,700.00. If she pays an equal amount each month for an entire year, how much will she have
nasty-shy [4]

Answer:

  $225

Step-by-step explanation:

When Mary pays the cost in 12 equal payments, each is 1/12 of the total amount.

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  1/12 × $2700 = $225

Mary will have to pay $225 each month.

4 0
1 year ago
Karrem says that the ratio 4:1 is eqivilent to the ratio of 12:9 because 4+8=12 and 1+8 =9 is karreem correct
Mariana [72]

Answer:

No, Kareem is incorrect.

Step-by-step explanation:

Kareem says that the ratio of \frac{4}{1}=\frac{12}{9} because 4 + 8 = 12 and 1 + 8 = 9

But the correct way to rewrite the ratio 4 : 1 is,

\frac{4}{1}=\frac{4\times 3}{1\times 3}

Which becomes as,

\frac{4}{1}=\frac{12}{3}

Therefore, Kareem is not correct.

Correct ratio equivalent to 4 : 1 is 12 : 3.

8 0
2 years ago
Nicole has 83 erasers. Susan gives Nicole 5 more. Later, Nicole buys 13 oranges at the store. How many erasers does Nicole have
zheka24 [161]

Answer: Nicole has 88 erasers in all

Step-by-step explanation:

Number of erasers that Nicole has = 83

Number of erasers given to Nicole= 5

Total number of erasers Nicole has in all = 83+5= 88 erasers

Therefore Nicole has 88 erasers.

3 0
3 years ago
The function, f(x) = –2x2 + x + 5, is in standard form. The quadratic equation is 0 = –2x2 + x + 5, where a = –2, b = 1, and c =
avanturin [10]
Given:

The function, f(x) = -2x^2 + x + 5

Quadratic equation: 0 = -2x^2 + x +5
where a = -2
            b = 1
            c = 5

The discriminate b^2 - 4ac = 41

To solve for the zeros of the quadratic function, use this formula:

x = ( -b +-√ (b^2 - 4ac) ) / 2a

x = ( 1 + √41 ) / 4  or 1.85
x = ( 1 - √41 ) / 4  or -1.35

Therefore, the zeros of the quadratic equation are 1.85 and -1.35. 
4 0
3 years ago
Read 2 more answers
F(x) = x^2 -7x +14, g(x) = 4x -9 <br><br> Find (g ° f)(x)
adelina 88 [10]

Answer:

Set up the composite result function.

g(F(x)) Evaluate g(x2−7x+14)

by substituting in the value of F into g.

g(x2−7x+14)=4(x2−7x+14)−9

Simplify each term.

g(x2−7x+14)=4x2−28x+56−9

Subtract 9 from 56.

g(x2−7x+14)=4x2−28x+47

Step-by-step explanation:

5 0
3 years ago
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