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Crazy boy [7]
3 years ago
14

a rectangle that has a width of 2 inches and a length of 3 has been scaled by a factor of 7. what is the new width of the rectan

gle?
Mathematics
1 answer:
vichka [17]3 years ago
4 0

Answer: 14 inches

Step-by-step explanation:

From the question, we are informed that a rectangle has a width of 2 inches and a length of 3 inches and has been scaled by a factor of 7.

This simply means that we've to multiply the width of the rectangle by 7 and also multiply the length of the rectangle by 7.

Old width = 2 inches

New width= 2 inches × 7 = 14 inches

The new width of the rectangle is 14 inches

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When graphing an inequality on a number line, an open circle means which of the following?
Sliva [168]

Answer:

Does NOT include the number the circle is placed on

Step-by-step explanation:

I don't see the answer choices that you have, so this is the best I could do! Hoped it helped!

4 0
3 years ago
Read 2 more answers
Ifx=−8, evaluate the following expression:(x−2)(x+4)x(x+9)
tekilochka [14]

Answer:

= 40

Step-by-step explanation:

so if you mean x = -8

(x - 2)(x + 4) \times (x + 9) \\

( - 8 - 2)( - 8 + 4) \times ( - 8 + 9)

( - 10)( - 4) \times 1

40 \times 1

40

4 0
2 years ago
Please help its urgent ​
hram777 [196]

Answer:

<h2>Function is y = x.</h2><h2>Domain: -3 \leq x \leq 2.</h2><h2>Range: -5 \leq y \leq 4.</h2>

Step-by-step explanation:

In the given image, the line passes through (-1, -1) and (1, 1).

Let the equation of the line is y = mx + c, where m is the tangent of the line and c is a constant.

Putting the co-ordinates of the points in the equation, we get -1 = -m + c and 1 = m + c

From the two equations we get, c = 0 and m = 1.

Hence, the function is y = x.

Domain is -3 \leq x \leq 2.

Range is -5 \leq y \leq 4

5 0
3 years ago
A foreman for an injection-molding firm admits that on 55% of his shifts, he forgets to shut off the injection machine on his li
motikmotik

Answer:

0.8594

Step-by-step explanation:

Let a denote the event of forgetting to shut off machine and b be the event of being defective.

-A foreman forgets to shut off machine 55% of the time.

-If he forgets, 15% of molds are defective.

-If he does not, 3% of molds are defective.

#The probability that he forgot to shut off the machine is calculated as:

P(a \ and \ b)=0.55\times 0.15\\\\=0.0825\\\\

P(a and ~b)=0.55(1-0.15)=0.4675

P(~a and b) = (1-0.55)*0.03=0.0135

P(~a and ~b) = (1-0.55)*(1-0.03)=0.4365

#Conditional probability is defined as:

P(a|b)=\frac{P(a \ and\  b)}{P(a)}\\\\=\frac{P(a \ and \ b)}{[(P(a \ and \ b)+P(\~a \ and \ b)}\\\\\\=\frac{0.0825}{0.0825+0.0135}\\\\\\=0.8594

Hence,  the probability that the foreman forgot to shut off the machine the previous night is 0.8594

5 0
3 years ago
If a gardner plants beans in 1/8 of a plot and tomatoes in 1/6 of a plot, what fraction of the garden is left for other crops
JulsSmile [24]

You simply have to sum the two fraction together to get the total amount of occupied plot. To do so, multiply both numerator and denominator of each fration by the same number, so that they end up having the same denominator.

You can multiply both numerator and denominator of 1/8 by 3 to get 3/24. Similarly, you can multiply both numerator and denominator of 1/6 by 4 to get 4/24.

Now we can easily sum the two fractions together:

\dfrac{1}{8}+\dfrac{1}{6}=\dfrac{3}{24}+\dfrac{4}{24} = \dfrac{7}{24}

So, if 7 parts out of 24 are occupied, it means that there are 24-7=17 parts left for other crops. So, the answer is 17/24.

5 0
3 years ago
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