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Nesterboy [21]
3 years ago
5

Which expression is equivalent to 4y – 1

Mathematics
1 answer:
uysha [10]3 years ago
4 0
Y-.25 is your answer.
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Approximately ___% of 7- year old children are taller than 51 inches
ch4aika [34]

51 inches is 2 inches more than the mean, which is 1 standard deviation.

Using the 68, 95, 99.7 rule:

100-68 / 2 = 16% would be taller than 51 inches.

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Kevin has 17 trading cards Billy has t more trading cards then Kevin chose the expression that shows how many trading ingredient
sp2606 [1]

So we know that Kevin has 17 cards. The total number of cards that Billy has is 17 plus an unespecified number t. THis means that we have an addition of cards then the total number of cards that Billy has is given by:

t+17

And the correct option is A.

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Maksim231197 [3]

Answer:

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3 years ago
Theresa has an umbrella stand at the beach. - All of them are blue, except for six. - All of them are yellow, except for six. -
Dmitry [639]

Answer:

3 Blue Umbrellas

Step-by-step explanation:

Given

B \to Blue

Y \to Yellow

R \to Red

From the question, we have:

Y + R = 6 ---- i.e. 6 are not blue

B + R = 6 ---- i.e. 6 are not yellow

B + Y = 6 ---- i.e. 6 are not red

Required

The number of blue umbrellas

Make B the subject in: B + Y = 6

B = 6 - Y

Substitute: B = 6 - Y in B + R = 6

6 - Y + R = 6

Collect like terms

R - Y = 6 - 6

R - Y = 0

Rewrite:

R = Y

Substitute R = Y in Y + R = 6

Y + Y = 6

2Y = 6

Divide both sides by 2

Y=3

Recall that: B = 6 - Y

B = 6 - 3

B = 3

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3 years ago
Could someone please help me out with this
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# 2,9 are declareitive .......... .......

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