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Varvara68 [4.7K]
3 years ago
13

Simplify -4 + (-3) + 6. -1 5 13 18

Mathematics
2 answers:
Lisa [10]3 years ago
8 0

Answer:

-1

Step-by-step explanation:

Pemdas

() first then others

rusak2 [61]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

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Question 1
erastova [34]

Based on the above scenario, the sales director conducted  an <u>experiment</u>.

  • Because a treatment  <u>was </u>applied to the sales representatives.

  • The the best statistical study for this situation because the sales director is trying to establish <u>correlation</u>.

<h3>What is an experiment?</h3>

An experiment is known to be a method that is et up with the aim to test a given hypothesis as a component of a scientific method.

In an experiment, there are the two key variables which are the independent and dependent variables. The independent variable is known to be a controlled or it is tested against the dependent variable.

See full question

Part A.

The sales director conducted a.) an experiment b.) a survey c.)an observational study because a treatment a.) was not b.)was applied to the sales representatives.

This is the best statistical study for this situation because the sales director is trying to establish a.) causality b.) correlation.

Learn more about experiment from

brainly.com/question/17274244

5 0
2 years ago
Find the area giving brainlieas
Lelu [443]

Answer: 6.5 in

Step-by-step explanation:

Given the information we have, we first need to turn this into a parallelogram. So, now that we have a parallelogram, we need to find the area of that and divide it by two. So 3 1/4 x 4 = 13

So now that we have the area of the square, we need to divide it by two. \frac{13}{2} = 6.5.

So our answer is <u>6.5 in</u>

7 0
3 years ago
Robbie wants to buy his friend a new phone for his birthday, Robbie’s job at the mall pays about $54 and an extra $1.50 per item
poizon [28]

He'd have to sell 268 items

268x $1.50 = 402

$402 + $54 = $456


7 0
3 years ago
Christine is 8 years younger than yuri. Express christine's age in terms of yuri's age
nikitadnepr [17]
Christine is “x” and yuri is “y”

y = x - 8
8 0
3 years ago
What is the verbal expression of 4(2x-7)
lisabon 2012 [21]
The answer is 8x - 28
4 0
3 years ago
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