3 years ago

What is the value of RT or x

Mathematics

1 answer:

Anna007 [38]3 years ago

7 0

Write and solve an equation of ratios:

x 9

---- = ----

16 x

Cross mult., we get x^2 = (16)(9)

Taking the sqrt of both sides, we get x = plus or minus (4)(3), or

x= plus or minus 12

Since x is measure of distance here, omit the -12 result. x = +12 units

You might be interested in

I will appreciate a quick answer

Elan Coil [88]

Answer:

∠SRQ = 75º, ∠TQR = 75º, ∠TSR = 105º, ∠STQ = 105º

Step-by-step explanation:

Since the quadrilaterals are similar, their corresponding angles are the same.

3 0

2 years ago

Select TWO values of x that are roots

Sauron [17]

$x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\y=x^2+3x+5\\\\a=1;\ b=3;\ c=5\\\\b^2-4ac=3^2-4(1)(5)=9-20=-11\\\\x_1=\dfrac{-3-\sqrt{-11}}{2\cdot1}=\dfrac{-3-\sqrt{-11}}{2}\\\\x_2=\dfrac{-3+\sqrt{-11}}{2}$

Answer: A and B.

3 0

3 years ago

Read 2 more answers

5. Gil rolls a number cube 78 times. how many times can he expect to roll an odd number greater than 1?

Rina8888 [55]

The fraction is 156/468 and the percentage is 33 percent

7 0

2 years ago

Sherry’s pay rate is $18.75 per hour; last week she worked 50 hours. Calculate her gross pay for the week.

saveliy_v [14]

Answer:

937.5

Step-by-step explanation:

$18.75 - 1 hour

$x. - 50hours

cross multiply the 18.75 with 50.

5 0

3 years ago

Forty tickets are sold for a raffle with two prizes. You buy two tickets. What is the probability that you will win both prizes?

Rina8888 [55]

Well, the first one is 2/40=1/20. The 2nd one is 1/39. You multiply these to get 1/780.

6 0

3 years ago