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3 years ago

Fabiola is reviewing for the Algebra 1 End-of-Course exam. She made this graph

Mathematics

1 answer:

Gwar [14]3 years ago

7 0

Answer

(-6. 3) (-6, 6) (-4, 2)

Step-by-step explanation:

the solution is the dark area between the two lines.

the only trick would be if one of the points fell on the dotted line.

all points on the dotted line are not included but all points on the solid line are included.

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Rounding to the first decimal place, calculate the mean for the following distribution of homicide rates in the 12 metropolitan

Lelechka [254]

Solution :

Given :

X = homicide rate (homicides per 100,00 population)

n = 12 = metropolitan areas

Area X (homicides per 100,000 population)

Mesa, AZ 4.1

Seattle, WA 3.8

Portland, OR (tie) 3.4

New York, NY(tie) 3.4

Virginia beach, VA 3.3

San Jose, CA 3.1

EI, Paso, TX 2.6

Austin, TX 2.6

San Diago, CA 2.4

Suffolk County 2.2

Montgomery, MD 2.0

Fairfax, VA 1.7

Therefore, the mean of X = $\bar X = \frac{\sum X_i}{n}$

$=\frac{34.9}{12}$

= 2.9

Therefore, the mean of homicide rater in the 12 metropolitan areas is 2.9 homicide per 100,000 population.

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3 years ago

Anita is 42 1/2 feet below jared. Steph is 67 3/7 feet above anita. What is stephs position compared to jared. Explain

Vilka [71]

Check the picture below.

let's firstly convert the mixed fractions to improper fractions and then subtract.

$\stackrel{mixed}{42\frac{1}{2}}\implies \cfrac{42\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{85}{2}} ~\hfill \stackrel{mixed}{67\frac{3}{7}}\implies \cfrac{67\cdot 7+3}{7}\implies \stackrel{improper}{\cfrac{472}{7}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{472}{7}~~ - ~~\cfrac{85}{2}\implies \cfrac{(2)472~~ - ~~(7)85}{\underset{\textit{using this LCD}}{14}}\implies \cfrac{944~~ - ~~595}{14}\implies \cfrac{349}{14}\implies 24\frac{13}{14}$

3 0

3 years ago

10x+y when x = 7 and y = 5

kherson [118]

Answer: 75

Step-by-step explanation:

Plug in 7 for x and 5 for y

10(7)+5

70+5

3 0

3 years ago

While flying at an altitude of 1.5 km, a plane measures angles or depression to opposite ends of a large crater, shown in the im

Anna35 [415]

Check the picture below.

notice the alternate interior angles in the picture.

$\bf tan(68^o)=\cfrac{\stackrel{opposite}{1.5}}{\stackrel{adjacent}{x}}\implies x=\cfrac{1.5}{tan(68^o)}\implies x\approx 0.61 \\\\[-0.35em] ~\dotfill\\\\ tan(56^o)=\cfrac{\stackrel{opposite}{1.5}}{\stackrel{adjacent}{w}}\implies w=\cfrac{1.5}{tan(56^o)}\implies w\approx 1.01 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{\textit{width of the crater}}{x+w\implies 1.62}~\hfill$

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3 years ago

What's 6 divided by 3/4 =

Lynna [10]

6/1 ÷ 3/4
= 6/1 × 4/3
= 24/3
= 8

7 0

3 years ago

Read 2 more answers