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Anestetic [448]
3 years ago
8

If k = -5 find the value of -7k? Please explain step by step or show work on piece of paper to get marked.

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
8 0

Answer:

35

Step-by-step explanation:

Given k=-5

Substitute into the equation given

-7(-5) = 35

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Solve for r 0.5(r+2.76)=3
11111nata11111 [884]

Answer:

r=1.43147648, −4.19147648

Step-by-step explanation:

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Please help.<br> Is algebra.
Vedmedyk [2.9K]

The answer for question 4 is C and the answer for question 5 is D.

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3 years ago
How many free throws could you make out of 20
JulsSmile [24]

Awnser :

Ten

Explanation :

In a relaxed practice setting with no pressure, the average player should be able to make at least ten in a row. But free throws typically come in pressure situations, so managing the pressure is as important as practicing form.

8 0
3 years ago
Sonia and Layla are both running for class president. The senior class has 220 students. After 60% of
puteri [66]

Answer: 33 votes

Step-by-step explanation:

First, we have to calculate 60% of 220 to Kno.the number of people who voted. This will be:

= 60% × 220

= 0.6 × 220

= 132 students

Sonia has received 25% of the casted votes. The number of votes Sonia got will be:

= 25% × 132

= 0.25 × 132

= 33 votes

Layla has received 75%. Her votes will be:

= 75% × 132

= 0.75 × 132

= 99 votes.

50% of the total votes will be:

= 50% × 132

= 0.5 × 132

= 66 votes

The number of votes needed by Sonia to receive 50% of the total votes will be:

= 66 - 33

= 33 votes

7 0
3 years ago
A bag contains two white blocks, one red block, and three purple blocks. You choose one block from the bag.
kifflom [539]

Step-by-step explanation:

Given data

two white blocks,= 2

one red block, and =1

three purple blocks.=3

1. Sample space = 2+1+3= 6

2. a. Probability of picking a white block p(w)= 2/6= 1/3

b. Probability of picking a red block p(r)= 1/6.

c. Probability of picking a purple block p(p)= 3/6= 1/2

3. the probability of ​not​ choosing a white block= 1/6+1/2= 1+3/6 4/6= 2/3

The above answers was gotten as the summation of the probability of picking red or purple

4. We already know that the sample space for picking a block from the bag is 6.

The sample space for tossing a coin is 2. Total sample space is 6+2= 8

3 0
3 years ago
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