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Ede4ka [16]
4 years ago
9

Clara needs $52 to go on a field trip. She has saved $16.50. She earns $6.50 per hour cleaning her neighbor's garden, and she ea

rns $5.25 per hour selling cakes at a store. Can Clara go on the field trip if she works at the garden for 4 hours and at the store for 2 hours? [Use the inequality 6.50x + 5.25y + 16.50 ≥ 52]
Yes, because the total will be $53

Yes, because the total will be $59

No, because the total will be $42

No, because the total will be $49
Mathematics
2 answers:
Kryger [21]4 years ago
6 0
Yes, the total will be $53
Korvikt [17]4 years ago
3 0
Yes, because the total will be $53.
(6.50×4)+(5.25×2)+16.50≥52
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Can someone help me?!!
polet [3.4K]

Answer:

Not 100% but i think its A

Step-by-step explanation:

7 0
4 years ago
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The pipe fitting industry had 546.5 thousand jobs in 2015 and is expected to decline at an average rate of 3 thousand jobs per y
lesya692 [45]

Answer:

The amount of jobs from fitting industry shall decline in 5.5 percent from 2015 to 2025.

Step-by-step explanation:

Due to the assumption of a yearly average rate, a linear function model shall be used. The expected amount of jobs (n) after a certain amount of years (t) is given by the following formula:

n = n_{o} + \frac{\Delta n}{\Delta t}\cdot t

Where:

n_{o} - Initial amount of jobs in pipe fitting industry, measured in thousands.

\frac{\Delta n}{\Delta t} - Average yearly rate, measured in thousands per year. (A decline is indicated by a negative sign)

If n_{o} = 546.5, t = 2025-2015 = 10\,years and \frac{\Delta n}{\Delta t} = -3\,\frac{1}{years}, then:

n = 546.5+\left(-3\,\frac{1}{year}\right)\cdot (10\,years)

n = 516.5

The percent change in jobs from pipe fitting industry is calculated as follows:

\%n = \left(1-\frac{n}{n_{o}}\right)\times 100\,\%

\% n = \left(1-\frac{516.5}{546.5}\right)\times 100\,\%

\%n = 5.5\,\%

The amount of jobs from fitting industry shall decline in 5.5 percent from 2015 to 2025.

4 0
3 years ago
Please help asap id apriciate !!
Mariana [72]

Answer:

A. 15
B. 16

C. 21

Step-by-step explanation:

A. ((3x5)/2)x2 = 15

B. ((4x2)/2)x4 = 16

C. 5x5 - 2x2 = 21

8 0
3 years ago
Read 2 more answers
What is the midpoint between z1 = -8 + 3i and z2 = 4 + 7i?
I am Lyosha [343]

Answer:

Therefore, Mid point : -2+5i.

Step-by-step explanation:

Given  :  Z1 = -8 + 3i and Z2 = 4 + 7i.

To find : What is the midpoint.

Solution : We have given  Z1 = -8 + 3i and Z2 = 4 + 7i.

Mid point :  \frac{z_{1}+z_{2}}{2}.

On plugging the values.

Mid point :  \frac{-8+3i + 4 +7i}{2}.

Combine like terms.

Mid point :  \frac{-8+4+3i +7i}{2}.

Mid point :  \frac{-4+10i}{2}.

Mid point : -2+5i.

Therefore, Mid point : -2+5i.

8 0
3 years ago
A factory has four machines that produce the same item. Machines 1 and 2 each produce 20% of the total output, while machines 3
andrezito [222]

Answer:

The answers are a. 0.27 b. 0.2 c. 0.2 d. 0.3 e. 0.3 f. 1

Step-by-step explanation:

Total output = 100% = 1

Total defective = 6% + 5% + 8% + 8% = 27% = 27

a. Prob of defective item = total defective/total output

= 27/100

= 0.27

b. Prob of defective from machine 1 = 6/27 =0.2222

~ 0.2

c. Prob of item defective from machine2 = 5/27 = 0.1852

~0.2

d. Prob of de defective from machine 3 = 8/27 = 0.2963

~0.3

e. Prob of defective from machine 4

= 8/27 = 0.2963

~ 0.3

f. Sum of prob from b-e

0.2 + 0.2 + 0.3 + 0.3

= 1

4 0
3 years ago
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