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2 years ago

Chloe drives from her house to her Grandma's house 48 miles away in an hour and 12 minutes. How fast was she driving on average?

Mathematics

2 answers:

Sphinxa [80]2 years ago

6 0

Answer:

I’m pretty sure 40 mph (sister aproved)

Step-by-step explanation:

zysi [14]2 years ago

5 0

The answer is forty miles per hour.

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JNZ~ KOA. Find the unknown measures

shepuryov [24]

Answer:

Step-by-step explanation:

If ΔJNZ and ΔKOA are similar, then corresponding sides are in proportion and corresponding angles are congruent.

We have the proportion:

$\dfrac{JN}{KO}=\dfrac{NZ}{OA}=\dfrac{ZJ}{AK}$

and equations:

$m\angle N=m\angle O=90^o\\m\angle Z=m\angle A=28^o\\m\angle J=m\angle K=62^o$

We have:

$JN=8\ in,\ NZ=15\ in,\ KO=4\ in,\ AK=x\ in,\ ZJ=y\ in$

For y we must use the Pythagorean theorem:

$ZJ^2=JN^2+NZ^2\\\\y^2=8^2+15^2\\\\y^2=64+225\\\\y^2=289\to y=\sqrt{289}\\\\y=17\ in$

$\dfrac{JN}{KO}=\dfrac{ZJ}{AK}\to\dfrac{8}{4}=\dfrac{17}{x}$ <em>cross multiply</em>

$8x=(4)(17)$

$8x=68$ <em>divide both sides by 8</em>

$x=8.5\ in$

4 0

3 years ago

Read 2 more answers

Yvette wants to have $650,000 when she retires in a year. If she currently has$600,000 to put in a 1-year CD, which APR and comp

madreJ [45]

The formula for the compound interest is given as

$A=P(1+\frac{r}{n})^{nt}$

To check the value for the compounding at 8.01% daily

$\begin{gathered} A=600,000(1+\frac{8.01}{365000})^{365} \\ A=600000(1+0.00021945)^{365} \\ A=600000(1.00021945)^{365} \\ A=600000(1.083385881) \\ A=650,031 \end{gathered}$

By compounding the value at 8.02% monthly

$undefined$

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1 year ago

3. You need to be at least 39.37 inches tall (about a meter) to ride on a bumper car. Diego's cousin is 35.75 inches tall. How m

Nataly_w [17]

Answer:

3.62

Step-by-step explanation:

39.37-35.75=3.62

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3 years ago

Triangle ABC and triangle DEF are similar. What is the measure of side DF?

Marat540 [252]

I am going to say 15 but I am not sure since there is no pic

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3 years ago

Emily and Tammy each opened checking accounts on the same day, intending to withdraw money for weekly expenses. Emily opened her

Lunna [17]

Answer:

15 weeks

Step-by-step explanation:

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3 years ago