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3 years ago

Round your number to the nearest hundredth 65 7

Mathematics

1 answer:

Ulleksa [173]3 years ago

8 0

It is either 100 or .001

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Solve 4 + (-3) - 2 x (-6)<br> A. -11<br> B. 12<br> C. -10<br> D. 13

Gennadij [26K]

Answer:

Step-by-step explanation:

Using PEMDAS you start with multiplication first, so -2 multiplied by -6, which is positive 12. Then you go from left to right, so 4 +-3, or 4-3, which is 1. Then 1-12 is -11. So your final answer is A, -11.

8 0

3 years ago

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the dista

lidiya [134]

Recall your d = rt, distance = rate * time.

notice, the distance are the same, say it was "d" miles.

and if car A is travelling at a speed of say "r" mph, then B is going at "r+15" mph.

$\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
\textit{Car A}&d&r&2\\
\textit{Car B}&d&r+15&1.5
\end{array}
\\\\\\
\begin{cases}
\boxed{d}=2r\\
d=1.5(r+15)\\
----------\\
\boxed{2r}=1.5(r+15)
\end{cases}
\\\\\\
2r=1.5r+22.5\implies 0.5r=22.5\implies r=\cfrac{22.5}{0.5}\implies \boxed{r=\stackrel{mph}{45}}$

how far is B going? well, r + 15.

5 0

4 years ago

Read 2 more answers

The city of St. louis is making a billboard sign for visitors to see as they enter the city

beks73 [17]

Answer:

Step-by-step explanation:

4 0

4 years ago

Sally is making pillow covers. The last step is to add trim. She purchased 1 yard of trim, but used 3/8 of it on another project

makkiz [27]

Answer:

5/16 of a yard per pillow

Step-by-step explanation:

1. Divide 5/8 by 2 (or 2/1)

2. 5/8 * 1/2 (following the division of fraction models of 'keep, change, flip'

5*1 = 5 and 8 * 2 = 16 5/16

6 0

3 years ago

WHAT IS THE LINE OF BEST FIT FOR THE FOLLOWING DATA (1,3) (2,0) (5,-8) (9, -25) . WRITE YOUR ANSWERS IN THE FORM OF Y= AX+ B

dimulka [17.4K]

Answer:

3.471 + 7.2516 x

Step-by-step explanation:

Given the data:

(1,3) (2,0) (5,-8) (9, -25) .

-8

-25

The line of best fit for the data given can be obtained using an online regression calculator :

The equation of best fit for the data is thus;

Best fit equation; y = -3.471 + 7.2516x

Intercept = - 3.471 ;

Slope = 7.2516

5 0

3 years ago