3 years ago

Simplify the expression 5+(4+x)

Mathematics

2 answers:

photoshop1234 [79]3 years ago

4 0

5 + 4x
I think that’s right

lara31 [8.8K]3 years ago

4 0

Answer:

5 + (4 + x) = 5 + 4 + x = 9 + x

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Can u plz help me with this

7nadin3 [17]

Answer:

x = 61, y = 29

Step-by-step explanation:

29+x = 90

x = 61

x + y = 90

y + 61 = 90

y = 29

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2 years ago

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Is the proportion A, B, D, or D?

Oksanka [162]

Answer:

C.)

Step-by-step explanation:

4/20=8/x

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WILL GIVE BRAINLIEST: if the roots of the equation x^3 +px^2+qx+r = 0 are 2, 3, and 4, find the values of p, q, and r.

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8+4p+2q+r=0
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2 years ago

In one hour a bird watcher saw 7 blue jays, 5 robins, and 2 cardinals. Which statement is true?

balu736 [363]

The bird watcher saw 7 blue Jays?

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3 years ago

Sebastian swam laps every day in the community swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks. In th

lord [1]

Answer:

$\text{Average rate}=\frac{\text{40 laps}}{\text{ hour}}$

Step-by-step explanation:

Please consider the complete question.

Sebastian swan laps every day in the community swimming pool. He swam 45 minutes each day, 5 days each week, for 12 weeks. In that time, he swam 1800 laps. What was his average rate in laps per hour?

Let us convert time taken into hours as:

$\text{Days}=5\times 12=60$

$\text{Minutes}=60\times 45$

1 hour = 60 minutes. To convert minutes into hours, we will divide total minutes by 60.

$\text{Hours}=\frac{60\times 45}{60}=45$

Now, we will divide 1800 by 45 to find average rate in laps per hour as:

$\text{Average rate}=\frac{\text{1800 laps}}{\text{45 hours}}$

$\text{Average rate}=\frac{\text{40 laps}}{\text{ hour}}$

Therefore, Sebastian's average rate is 40 laps per hour.

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2 years ago