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3 years ago

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last week Mallory flu two round trips they were 3720 miles and 5985 miles select all of the choices that are good estimates for

the total miles Mallory flu last week by rounding to the place values

1 answer:

sasho [114]3 years ago

6 0

Well first round to the nearest whole then add then subtract then you will get your answer

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I need help please.

makkiz [27]

Answer:

see explanation

Step-by-step explanation:

Using the rules of radicals/ exponents

$a^{m}$ × $a^{n}$ = $a^{(m+n)}$

$a^{\frac{m}{n} }$ ⇔ $\sqrt[n]{a^{m} }$

Simplifying each term

7 $\sqrt{x^{3} }$ = 7 $x^{\frac{3}{2} }$

x $\sqrt{9x}$

= x × $\sqrt{9}$ × $\sqrt{x}$

= x × 3 × $x^{\frac{1}{2} }$

= 3 × $x^{(1+\frac{1}{2}) }$

= 3 $x^{\frac{3}{2} }$

Subtracting the 2 simplified like terms, that is

7 $x^{\frac{3}{2} }$ - 3 $x^{\frac{3}{2} }$

= 4 $x^{\frac{3}{2} }$ ← return to radical form

= 4 $\sqrt{x^{3} }$

8 0

3 years ago

A n =−1+3(n−1) an=−1+3(n−1) what is the 55 term in the sequence

Sindrei [870]

ANSWER

$a_{55}=161$

EXPLANATION

The general term for the sequence is

$a_n=-1+3(n-1)$

To find the 55th term, we have to substitute
$n = 55$
in to the general term and simplify.

This implies that,

$a_{55}=-1+3(55-1)$

$a_{55}=-1+3(54)$

$a_{55}=-1+162$

$a_{55}=161$

Therefore the 55th term is 161.

8 0

3 years ago

Which is the simplified form of r-7 + s-12?

timama [110]

Answer:

$\frac{1}{ {r}^{7} } + \frac{1}{ {s}^{12} }$

3 0

1 year ago

I don’t know how to do this question

lubasha [3.4K]

let x represent the number of apples and y represent the number of oranges.

TOTAL: x + y = 112

y = 112 - x

PEELED: $\frac{3}{8}x = \frac{1}{2}y$

$(8)\frac{3}{8}x = (8)\frac{1}{2}y$

3x = 4y

3x = 4(112 - x)

3x = 448 - 4x

7x = 448

x = 64

y = 112 - x

= 112 - 64

= 48

a) There are 64 apples and 48 oranges

Peeled apples: $\frac{3}{8}x = \frac{3}{8}(64)$ = 3(8) = 24

Unpeeled apples: 64 - 24 = 40

Unpeeled - Peeled: 40 - 24 - 16

b) there are 16 more unpeeled apples than peeled apples

5 0

3 years ago

Some people advise that in very cold weather, you should keep the gas tank in your car more than half full. Lou's car had 6.1

elena55 [62]

$ 33.82

Step-by-step explanation:

If Lou already had 6.1 gallons in the 15-gallon tank, then the amount of volume left to fill was;

15 – 6.1 = 8.9

Lou, therefore, spent the following amount to fill the gas tank;

8.9 * $3.80 = $ 33.82

Learn More:

brainly.com/question/483948

brainly.com/question/1868841

#LearnWIthBrainly

8 0

3 years ago