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andrezito [222]

3 years ago

7

Bernie Spent 1 hour and 57 minutes knitting a scarf for her grandsonshe spent 1 hour and 21 minutes knitting a scarf for her gra

nddaughter. How many minutes faster did Bernie knit her granddaughters scarf?

1 answer:

Kobotan [32]3 years ago

7 0

Answer:

36 minutes

Step-by-step explanation:

1 hr = 60 minutes

grandson scarf = 60 minutes + 57 minutes = 117

granddaughter = 60 minutes + 21 minutes = 81

117 - 81 = 36

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Step-by-step explanation:

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3 years ago

1) Given: mLHE=84°<br><br>Find: m∠EYL. <br><br>2)Given: m∠EYL=72°<br>Find: m arc EHL, m arc LVE

SCORPION-xisa [38]

Answer:

Part 1) The measure of angle EYL is $96\°$

Part 2) The measure of arc EHL is $108\°$ and the measure of arc LVE is $252\°$

Step-by-step explanation:

we know that

The measurement of the outer angle is the semi-difference of the arcs which comprises

Part 1)

Let

x------> the measure of arc LHE

y----> the measure of arc LVE

we know that

$x+y=360\°$

$x=84\°$

Find the value of y

$y=360\°-84\°=276\°$

<em>Find the measure of angle EYL</em>

$m$

substitute the values

$m$

Part 2)

Let

x------> the measure of arc EHL

y----> the measure of arc LVE

we know that

$x+y=360\°$

$x=360\°-y$ -----> equation A

$m$

$m$

substitute

$72\°=\frac{1}{2} (y-x)$

$144\°=(y-x)$

$x=y-144\°$ --------> equation B

equate equation A and equation B and solve for y

$360\°-y=y-144\°$

$2y=360\°+144\°$

$2y=504\°$

$y=252\°$

Find the value of x

$x=252\°-144\°=108\°$

therefore

The measure of arc EHL is $108\°$

The measure of arc LVE is $252\°$

3 0

3 years ago

Carmen has taken out a loan for $800 to buy a car. She plans to pay back the loan at a rate of $40 per month. Ramona has borrowe

allsm [11]

Answer:

Carmen will have her loan payed off in 20 months.

Ramona will have her loan payed off in 25 months.

Step-by-step explanation:

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Divide $800 by $40 and you'll get 20 months

Ramona: $500 loan; paying $20 a month

Divide $500 by $20 and you'll get 25 months

7 0

3 years ago