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galben [10]
3 years ago
8

Refrigerator (5810)

Mathematics
1 answer:
anastassius [24]3 years ago
5 0

Answer:

Real amount: $2505

Estimate: $2500

Step-by-step explanation:

Refrigerator ($810)

Stove ($1010)

Dishwasher ($590)

Microwave ($95)

Necessary amount:

810+1010+590+95=$2505

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the telephone company purchased 95 yards of wire for $1235 in september. they plan on making a purchase of 285 yards in October.
Luden [163]
Ratio and propoertion

cost/amount is constant
1235/95=x/285
cross multiply or time both sides by (95 times 283)
351975=95x
divide oth sies by 95
3705=x

the cost is $3705
7 0
3 years ago
A particle moves along the curve y=7 x 2+4y=7 x 2+4 in such a way that its xx-coordinate is changing at a rate of −5−5 centimete
ArbitrLikvidat [17]

Answer:

The y-coordinate is changing by the rate of -70 cm per sec.

Step-by-step explanation:

Given equation,

y = 7x^2 + 4

Differentiating with respect to time (t),

\frac{dy}{dt}=14x \frac{dx}{dt}

We have,

\frac{dx}{dt}=-5\text{ cm per sec}, x = 1

\frac{dy}{dt} = 14(1)(-5)=-70\text{ cm per sec}

7 0
3 years ago
Sam made $600 dollars in 5 days of work and made $150 in tips. What was the average amount that he made each day?
Allushta [10]

Answer:

The Answer is D 160

Step-by-step explanation:

6 0
3 years ago
Pls help if u can!!
irinina [24]

21Step-by-step explanation:

5 0
3 years ago
Elliot ordered the special at the Even Steven Diner, which included a salad, an entree, and a drink for $15. The sales tax was 9
shusha [124]
Your sales tax is $1.35. 
Your tip is $3.00.
Your total is going to be $19.35
5 0
3 years ago
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