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Ghella [55]
3 years ago
6

Jenn swam ⅕ mile in ¼ hour. What is her unit rate in miles per hour?

Mathematics
2 answers:
Paladinen [302]3 years ago
4 0

Answer:

1/2 mile/1/5 hour = 5/2 mph = 2 1/2 mph

Step-by-step explanation:

raketka [301]3 years ago
4 0

Answer:

0.80mph

Step-by-step explanation:

If 1/5 = 1/4, then:

she swims 1/5 miles for every 1/4 (fourth) of an hour

per hour means 1 hour

we must covert 1/4 to 4/4 (one mile)

1/4 × 4/1 = 4/4

if we multiply by 4/1 to get to 4/4, then we must also multiply by 4/1 for 1/5 miles

1/5 × 4/1 = 4/5

Her unit rate in miles per hour is 4/5 per 1 miles, or 0.80mph

*0.80 = 4/5 because 4 × 20 = 80 and 5 × 20 = 100; 80/100 = 0.80*

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Solve the inequality, 6- 3b﹤10- 3b- 18.. please helpp
saw5 [17]

Answer:

There is no solution

Step-by-step explanation:

Let's solve your inequality step-by-step.

6−3b<10−3b−18

Step 1: Simplify both sides of the inequality.

−3b+6<−3b−8

Step 2: Add 3b to both sides.

−3b+6+3b<−3b−8+3b

6<−8

Step 3: Subtract 6 from both sides.

6−6<−8−6

0<−14

4 0
3 years ago
Samantha is making special edition hazelnut and almond chocolate boxes to give to her friends. It costs Samantha $15 to make one
Harrizon [31]

Answer:

6 hazelnut

4 almond

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
According to international statistics, teenage pregnancy rates in the united states are higher than most other developed nations
neonofarm [45]

According to international statistics, teenage pregnancy rates in the united states are higher than most other developed nations. a major reason for this troubling statistic is that: B. teenagers in other countries are taught more comprehensive sex education, starting from an earlier age.

<h3>What is teenage pregnancy rate?</h3>

Teenage pregnancy rate can be defined as the percentage of  teenager between age 13 to age 19 that are impregnated.

It is important to educate teenager on what is called sex education from an earlier age as educating them will help to teach them all what they need to know when it comes to their sexual life which will inturn help to prevent teenage pregnancy.

The reason why we have high rate of teenage pregnancy in the United States of America is because this teenage does not have more comprehensive sex education compare to teenager in other countries.

Therefore the correct option is B.

The missing options are:

A. other countries teach primarily abstinence as birth control.

B. teenagers in other countries are taught more comprehensive sex education, starting from an earlier age.

C. more contraception is available to teenagers in other countries.

D. providing contraception to minors is not legal in the United States.

Learn more about teenage pregnancy rate here:brainly.com/question/28081986

#SPJ1

5 0
1 year ago
PLEASEE HELPPP!!!
Harlamova29_29 [7]

Answer:

The amount is $649.46 and the interest is $49.46.

Step-by-step explanation:

STEP 1: To find amount we use formula:

A=P(1+rn)n⋅t

A = total amount  

P = principal or amount of money deposited,

r = annual interest rate  

n = number of times compounded per year

t = time in years

In this example we have

P=$600 , r=8% , n=4 and t=1 years

After plugging the given information we have

AAAA=600(1+0.084)4⋅1=600⋅1.024=600⋅1.082432=649.46

STEP 2: To find interest we use formula A=P+I, since A=649.46 and P = 600 we have:

A649.46II=P+I=600+I=649.46−600=49.46

5 0
4 years ago
In the diagram, ABCD is a part of a right angled triangle ODC. If /AB/= 6 cm,
Andreas93 [3]

Answer:

1) 13.3 cm

2) 48.3 cm

Step-by-step explanation:

1) Right angled triangle ODC and right angled triangle OAB are similar because AB//DC. The two triangles have the same proportion and are equiangular (having equal angles) but have different lengths.

Let OB = x, OC = OB + BC = x + 8

Therefore:

\frac{OC}{OB}=\frac{DC}{AB}  \\\frac{x+8}{x}=\frac{15}{6}\\15x=6(x+8)\\15x=6x+48\\15x-6x=48\\9x=48\\x=5.3\ cm

The height of triangle ODC = OC =  x + 8 = 5.3 + 8 = 13.3 cm

2) Using Pythagoras theorem:

OD² = OC² + DC²

OD² = 13.3² + 15²

OD² = 401.89

OD = √401.89 = 20 cm

2) perimeter of triangle ODC = OD + OC + DC = 20 + 13.3 + 15 =48.3 cm

3 0
3 years ago
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