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ella [17]
2 years ago
10

PLESE HELP ILL GIVE BRAINLIEST!,!!!!!

Mathematics
2 answers:
Bogdan [553]2 years ago
5 0

Answer:

9.8x + 1.1y + 9.9z

Step-by-step explanation:

\textsf {The perimeter is the sum of the side lengths.}

\textsf {Hence, the perimeter is :}

⇒ 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y

⇒ 9.8x + 1.1y + 9.9z

Tasya [4]2 years ago
5 0
Answer: C) 9.8x + 1.1y + 9.9z

Step-by-Step Explanation:

Perimeter = Side + Side + Side

Therefore,
= 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y
= (5.5 + 4.3)x + (6.2 - 5.1)y + (8.3 + 1.6)z
= 9.8x + (6.2 - 5.1)y + (8.3 + 1.6)z
= 9.8x + 1.1y + (8.3 + 1.6)z
=> 9.8x + 1.1y + 9.9z

Perimeter = 9.8x + 1.1y + 9.9z cm
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Suppose a marketing company computed a 94% confidence interval for the true proportion of customers who click on ads on their sm
Ksivusya [100]

Answer:

d. There is a 98% chance that the true proportion of customers who click on ads on their smartphones is between 0.56 and 0.62.

Step-by-step explanation:

Confidence interval:

x% confidence

Of a sample

Between a and b.

Interpretation: We are x% sure(or there is a x% probability/chance) that the population mean is between a and b.

In this question:

I suppose(due to the options) there was a small typing mistake, and we have a 98% confidence interval between 0.56 and 0.62.

Interpreation: We are 98% sure, or there is a 98% chance, that the true population proportion of customers who click on ads on their smartphones is between 0.56 and 0.62. Option d.

3 0
3 years ago
In a bag, there are 25 marbles. 8 are red and the rest are green. If there are 100 marbles in. a bag, how many are red? *
Sophie [7]

Answer:

32 marbles are red.

Step-by-step explanation:

Think of a quarter, 4 of them equal a dollar.

25 x 4 = 100

So, you will multiply 8 by 4.

8 x 4 = 32

4 0
3 years ago
У - 6x = ||<br> -77<br> - 2x-3y=-7
Maksim231197 [3]

Answer:

<h2>x= 37/16</h2><h3>y=199/8</h3>

Step-by-step explanation:

1....y=11+6x

-77-2x+3y=-7

replace y by ..1..

so   -77-2x+3(11+6x)=-7

-77-2x+33+18x=-7

-44+16x=-7

16x=37

y=11+6x

replace x by 37/16

y=11+6*37/16

y=199/8

6 0
3 years ago
Construct a right triangle whose perimeter is equal to 10cm and one acute angle is 60°
jok3333 [9.3K]
How can we help you with this?
5 0
3 years ago
Angela shared a cab with her friends. When they arrived at their destination, they evenly divided the
FrozenT [24]

Answer:

\frac{48+5j}{j}

Step-by-step explanation:

<u>Complete Question:</u>

Angela shared a cab with her friends . When they arrived at their destination, they evenly divided the $48 fare among "j" of them . Angela gave the cab $5 tip. How much did Angela pay in total?

<u>Solution:</u>

The fare was $48 and including Angela, there were j people, so each paid:

48/j

Also, Angela paid $5 additionally.

So, Angela paid:

48/j  ---  when dividing evenly

5  ---   as a tip

Total Angela Paid:  =\frac{48}{j}+5\\=\frac{48+5j}{j}

Total Payment:  \frac{48+5j}{j}

8 0
3 years ago
Read 2 more answers
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