2 years ago

1.Alan is x years old .Tom is 5 years older than Alan. Write an expression for the total of their ages.

Mathematics

1 answer:

N76 [4]2 years ago

5 0

Answer:

1. 2x + 5

2. 35 students walked

3. 1:18

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B125%20%7D%20-%20%5Csqrt%7B180%7D%20%2B%20%5Csqrt%7B45%7D%20" id="TexFormula1" tit

Kobotan [32]

Answer:

2 $\sqrt{5}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{125}$ = $\sqrt{25(5)}$ = $\sqrt{25}$ × $\sqrt{5}$ = 5 $\sqrt{5}$

$\sqrt{180}$ = $\sqrt{36(5)}$ = $\sqrt{36}$ × $\sqrt{5}$ = 6 $\sqrt{5}$

$\sqrt{45}$ = $\sqrt{9(5)}$ = $\sqrt{9}$ × $\sqrt{5}$ = 3 $\sqrt{5}$

Thus

$\sqrt{125}$ - $\sqrt{180}$ + $\sqrt{45}$

= 5 $\sqrt{5}$ - 6 $\sqrt{5}$ + 3 $\sqrt{5}$

= 2 $\sqrt{5}$

3 0

3 years ago

What is the measure of

Sonbull [250]

Answer:

measure of???

Step-by-step explanation:

6 0

2 years ago

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1. When Steve woke up. His temperature was 102 F. Two hours

ANTONII [103]

Answer:

The final temperature is the sum of the initial temperature and the change in temperature. The initial temperature is 102°F. The change in temperature is -3°F.

Operation:

102°F + (-3°F) = (102 - 3)°F = 99°F

Step-by-step explanation:

8 0

3 years ago

PLEASEEEE HELP ME WITH THIS ALGEBRA 1

AleksandrR [38]

Answer:

Step-by-step explanation:

total cost = tickets( c) +50

1400 = 4 (c) + 50

1350 = 4 (c)

337.50 = c

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2 years ago

Which of the expressions are equivalent to the one bllow? Check all that

nlexa [21]

Answer:

Option A is correct ...Both have value 42

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2 years ago

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