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2 years ago

Help PLEASE Match the following:

Mathematics

1 answer:

Luden [163]2 years ago

3 0

Answer:

Step-by-step explanation:

mark as brain list plz and like

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Plzzz help!!!!! Will give 15 pts and brainliest!!!!

denpristay [2]

Answer:

2. PQ is congruent to QT

4. angle PQR is congruent to angle SQT

5. SAS

Step-by-step explanation:

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3 years ago

How do i graph x + y = 3

Phantasy [73]

Answer:

by graphing it

Step-by-step explanation:

5 0

3 years ago

Find the surface area. Round your answer to the nearest tenth

Lina20 [59]

A = 4πr^2 = 4π*9 = 113,1

4 0

4 years ago

Roberta has $10,540 to invest. She plans to invest her money in certificates of deposit (CDs) that have 2.1% interest, a stock p

ira [324]

Answer:

The amount invested in CDs is $1,340

The amount invested in the stock portafolio is $6,900

The amount invested in the saving accounts is $2,300

Step-by-step explanation:

Let

x ---->the amount invested in CDs at 2.1%

y ---> the amount invested in the stock portfolio at 2.5%

z ---> the amount invested in the savings account at 1.5%

$x+y+z=10,540$ ----> equation A

$z=\frac{1}{3}y$ ----> equation B

substitute equation B in equation A

$x+y+\frac{1}{3}y=10,540$

$x+\frac{4}{3}y=10,540$

$x=10,540-\frac{4}{3}y$ ----> equation C

we know that

The total interest earned by the three amount must be equal to $231.69

$0.021x+0.025y+0.015z=231.69$ ----> equation D

substitute equation B and equation C in equation D

$0.021(10,540-\frac{4}{3}y)+0.025y+0.015(\frac{1}{3}y)=231.69$

solve for y

$221.34-0.0315y+0.025y+0.005y=231.69$

$0.0015y=231.69-221.34$

$0.0015y=10.35$

$y=\$6,900$

<em>Find the value of x</em>

$x=10,540-\frac{4}{3}(6,900)$

$x=\$1,340$

<em>Find the value of z</em>

$z=\frac{1}{3}(6,900)$

$z=\$2,300$

7 0

4 years ago

If Amanda rode 5 miles on monday, 7 times as many as monday on tuesday, and 9 times as many as tuesday on Wednesday how many mil

Sergeu [11.5K]

315 miles.

If Amanda rode 5 miles on Monday, then 7 times 5 would equal 35, thus giving Tuesday's mileage.

If it then continued to say that Wednesday was 9 times as many as Tuesday, then that would mean to multiply Tuesday's miles by 9, thus getting the final answer of 315.

Hope this helps!

7 0

3 years ago