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castortr0y [4]
2 years ago
9

Given the vectors w = <-5, 3> and z = <1, 4>, find the results of the vector subtractions. -w − z = z − w = w − z =

Mathematics
1 answer:
liq [111]2 years ago
6 0

Answer:

-w − z = <4, -7>

z − w = <6, 1>

w − z = <-6, -1>

Step-by-step explanation:

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Two mechanics worked on a car. The first mechanic worked for 15
nevsk [136]

Answer: For the sum of 130

First: $90

Second: $40

Step-by-step explanation:

We write equations for each part of this situation.

<u>The Total Charge</u>

Together they charged 1550. This means 1550 is made up of the first mechanics rate for 15 hours and the second's rate for 5 hours. Lets call the first's rate a, so he charges 15a. The second's let's call b. He charges 5b. We add them together 15a+5b=1550.

<u>The Sum of the Rates</u>

Since the first's rate is a and the second is b, we can write a+b=130 since their sum is 130.

We solve for a and b by substituting one equation into another. Solve for the variable. Then substitute the value into the equation to find the other variable.

For a+b=130, rearrange to b=130-a and substitute into 15a+5b=1550.

15a + 5 (130-a)=1550

15a+650-5a=1550

10a+650-650=1550-650

10a=900

a=$90 was charged by the first mechanic.

We substitute to find the second mechanic's rate.

90+b=130

90-90+b=130-90

b= $40 was charged by the second mechanic

5 0
3 years ago
( ) quinta-feira
Rasek [7]

Answer:

In english this means:

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Step-by-step explanation:

So what do you need us to do?

3 0
3 years ago
15 points because I need it quickly!! I will give brainliest to first answer
Zolol [24]

Answer:

12.60

Step-by-step explanation:

3 0
3 years ago
what would be the answer. katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress
Kay [80]
1.75 yards .its simple you just have to see how much youll have to multiply by 4 to get 7
7 0
3 years ago
Read 2 more answers
A ferris wheel can accommodate 54 people in 24 minutes. How many people could ride the ferris wheel in 2 hours? What was that ra
Vladimir79 [104]
120÷24=5

5×54=270

270 People in 2 hours
3 0
3 years ago
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