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3 years ago

Is that right or wrong?

Mathematics

1 answer:

mixer [17]3 years ago

4 0

The instructions are cut off, but if segment PQ bisects angle SQR, then you are correct in saying that angle 1 and angle 2 are congruent to one another.

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In a recent study, volunteers who had 8 hours of sleep were three times more likely to answer questions correctly on a math test

kumpel [21]

Answer:

Step-by-step explanation:

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6 0

3 years ago

A vat with 700 gallons of beer contains 4% alcohol (by volume). Beer with 6% alcohol is pumped into the vat at a rate of 7 gal/m

dolphi86 [110]

Answer:

5.2%.

Step-by-step explanation:

After 1 hour (60 / 100) * 700 = 420 gallons of beer have been exchanged.

So we have 420 gallons of 6% and 280 gallons of 4% after 1 hour.

So the strength at that time = (420* 6) + 280*4) / 700

= 5.2%.

6 0

3 years ago

Find the missing lengths:<br> LO=5 and OK=4, find OH and KH.

hodyreva [135]

Answer:

The length of KH is 6 units and OH is 6.3 units.

Step-by-step explanation:

Given the figure with lengths LO=5 and OK=4. we have to find the length of OH and KH.

In ΔLOH

By Pythagoras theorem

$LH^2=LO^2+OH^2\\\\LH^2=5^2+OH^2$ → (1)

In ΔKOH,

$KH^2=OH^2+OK^2\\\\KH^2=OH^2+4^2$ → (2)

In ΔKHL,

$KL^2=LH^2+KH^2$

Using eq (1) and (2), we get

$KL^2=5^2+OH^2+OH^2+4^2$

$9^2=25+2OH^2+16$

⇒ $2OH^2=81-25-16=40$

⇒ $OH=\sqrt{20}=6.324\sim6.3units.$

Put the above value in eq 2, we get

$KH^2=20+4^2=36$

⇒ KH=6 units.

8 0

3 years ago

Read 2 more answers

Help! Please answer this! Giving all my points away! NO LINKS! Thank you!

Zanzabum

Answer:

Step-by-step explanation:

200-187=13

8 0

2 years ago

Match each term with the part of the expression 9m4−12m−6−12 it best describes. All terms will be used ONLY once.

RideAnS [48]

Answer:

see below...

Step-by-step explanation:

-12=constant [# doesn't change]

4=degree [exponent]

-6m= term [variable or 3]

9=coefficient [first #]

4 0

2 years ago