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2 years ago

Sara says, "If you subtract 14 from my number and multiply the difference by -5 , the result is -125 ." What is 's number?

1 answer:

6 0

Answer:"if you subtract 14 from my number and multiply the difference by -4, the result is -80." What is Sara's number?. 2. See answers.

2 answers

0 votes:

Answer:6Step-by-step explanation:-80/-4=20+14=6

Step-by-step explanation:

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A quality-control inspector examined 100 light bulbs and found 7 defective. At this rate, how many defective bulbs would there

anastassius [24]

Answer: 175 defective bulbs.

Step-by-step explanation:

1. Keeping on mind that the inspector examined 100 light bulbs and found 7 defective, you can calculate the number of defective bulbs that there would be in a lot of 2500 bulbs as following:

- Let's call the number of defective bulbs that there would be in a lot of 2500 bulbs $x$ .

- Then, you have:

$\frac{100}{7}=\frac{2500}{x}$

- Solve for x:

$x=\frac{2500*7}{100}$

$x=175$

2. Then, there would be 175 defective bulbs in a lot of 2500 bulbs.

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3 years ago

Anybody help please ! Step by step

Marrrta [24]

Your answer is -6.

Hope my answer is helpful to you. Stay blessed .

6 0

2 years ago

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Jim has three times as many comic books as Charles. Charles has 2/3 as many books as Bob. Bob has 27 books. How many comic books

Aleksandr-060686 [28]

Jim has 35 comic books

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3 years ago

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4k + 12 = 52 using algbra

grigory [225]

Answer:

k=10

Step-by-step explanation:

4k + 12= 52

minus 12 on both sides

4k=40

now divide by 4

k=10

5 0

3 years ago

(a) Use the definition to find an expression for the area under the curve y = x3 from 0 to 1 as a limit. lim n→∞ n i = 1 Correct

Luba_88 [7]

Splitting up the interval of integration into $n$ subintervals gives the partition

$\left[0,\dfrac1n\right],\left[\dfrac1n,\dfrac2n\right],\ldots,\left[\dfrac{n-1}n,1\right]$

Each subinterval has length $\dfrac{1-0}n=\dfrac1n$ . The right endpoints of each subinterval follow the sequence

$r_i=\dfrac in$

with $i=1,2,3,\ldots,n$ . Then the left-endpoint Riemann sum that approximates the definite integral is

$\displaystyle\sum_{i=1}^n\frac{{r_i}^3}n$

and taking the limit as $n\to\infty$ gives the area exactly. We have

$\displaystyle\lim_{n\to\infty}\frac1n\sum_{i=1}^n\left(\frac in\right)^3=\lim_{n\to\infty}\frac{n^2(n+1)^2}{4n^3}=\boxed{\frac14}$

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3 years ago

Sara ​says, "If you subtract 14 from my number and multiply the difference by -5 ​, the result is -125 ​." What is ​'s ​number?

Sara says, "If you subtract 14 from my number and multiply the difference by -5 , the result is -125 ." What is 's number?