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erik [133]
3 years ago
14

Which expression is equivalent to -2(5x-0.75)

Mathematics
2 answers:
notsponge [240]3 years ago
7 0
Hello!

You can distribute the -2

-2 * 5x = -10x

-2 * -0.75 = 1.5

The answer is -10x + 1.5

Hope this helps!
Ivan3 years ago
3 0
 the answer is-10x+1.5
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QR is the midsection of triangle GHJ, what is the length of QR?
Xelga [282]

Answer:

Step-by-step explanation:

QR = 27 ÷ 2 = 13.5

6 0
3 years ago
Determine the quotient, q(x), and remainder, r(x) when
Vinvika [58]
ANSWER

Quotient:

q(x) = 4 {x}^{2} + 3x + 2

Remainder:

r(x) = 3x + 1

EXPLANATION

The given functions are

f(x) = 12 {x}^{4} + 21 {x}^{3} + 31 {x}^{2} + 21x + 9

and

g(x) = 3 {x}^{2} + 3x + 4

We want to find the remainder and quotient when f(x) is divided by g(x).

We perform the long division as shown in the attachment.

The quotient is

q(x) = 4 {x}^{2} + 3x + 2

The remainder is

r(x) = 3x + 1

5 0
3 years ago
1. The manager of FrozonAir Refrigerator factory notices that on Monday it cost the company a total of $25,000 to build 30 refri
Vinvika [58]

Answer:

The fixed costs per day for the factory is $10,000 and marginal cost of one refrigerator for $500

Step-by-step explanation:

Let

Cost per refrigerator (marginal cost) = r

Fixed costs per day for the factory = f

Total cost = variable cost + fixed cost

Monday

25,000 = 30r + f

Tuesday

30,000 = 40r + f

Using Monday,

f = 25000 -30r

Substitute f = 25000 - 30r into Tuesday

30,000 = 40r + f

30,000 = 40r + (25,000 -30r)

30,000 = 40r + 25,000 - 30r

Collect like terms

30,000 - 25,000 = 40r - 30r

5,000 = 10r

Divide both sides by 10

r = 5,000 / 10

= 500

r = $500

Substitute r= 500 into Monday equation

f = 25,000 -30r

= 25,000 - 30(500)

= 25,000 - 15,000

= 10,000

f = $10,000

Therefore, the fixed costs per day for the factory is $10,000 and marginal cost of one refrigerator for $500

7 0
3 years ago
Equation of the line that contains the point (-9,2) and is perpendicular to the line y=-3/2x-3
lilavasa [31]

Answer:

y=2/3x+8

Step-by-step explanation:

3 0
3 years ago
Which expression is equal to 54⋅58 ? <br> 512 54 52 5−4
nignag [31]
Not sure if it's one of the answer you listed.
The • means multiplication, so it would be
54 times 58, which equals 3,132.
7 0
3 years ago
Read 2 more answers
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