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m_a_m_a [10]
3 years ago
9

Please show workings Plssssssssss

Mathematics
1 answer:
Luda [366]3 years ago
5 0

Answer:

The length of XY is 11.

Step-by-step explanation:

since the triangles are congruent to one another,

(4x-7)=(2x-3)

move the like terms to the other side

4x-2x=-3+7

2x=4

x=4

then subsitute x into the equation

2(4)+3

= 11

You might be interested in
Which Expression is equivalent to 11 + 22q + 22 - 5q?​ if correct, I'll reward brainlest
kakasveta [241]

Answer:

I think it would be 33+27q

tell me if this helps! :)

Sorry if it doesn't though :(

8 0
3 years ago
A piano turner charges $63 for 1.5 hours of work. Which proportion can be used to find x, the number of dollars the piano turner
weeeeeb [17]
$63. 1.5 hrs
$x. 4 hrs

63/x=1.5/4

x=63•4/1.5
x=252/1.5
x=168$
8 0
3 years ago
Write the ratio of thirteen-year-olds to fourteen-year-olds in all three forms.
ludmilkaskok [199]

Answer:

13:14

13 to 14

13/14

Step-by-step explanation:

there are three ways to write ratios, with a colon ( : ), with the word "to", and as a fraction 13/14. ❤

6 0
3 years ago
Read 2 more answers
An air traffic controller is tracking two planes. To start, Plane A is at an altitude of 4385 feet and Plane B is at an altitude
Fantom [35]

Answer:

60 seconds, 7715 feet

Step-by-step explanation:

Plane A and B start out 615 feet apart, and we find this by subtracting the height of plane A from plane B, getting 5000-4385=615. Now we have to find how many more feet of altitude plane A is gaining per second over plane B.

To find this we subtract 45.25 from 55.5 and get 10.25 feet per second. Now to find out how many seconds until they'll be at the same altitude we simply divide 615 by 10.25, getting 60 seconds.

For the second part, to find the altitude at this point, we simply multiply the altitude gain of one of the planes per second by the time of 60 seconds to get how much altitude they gained over that time, and add it to the starting altitude. Doing this with plane B we get 45.25*60=2715, and we add that to 5000 to get the final answer of 7715.

4 0
3 years ago
You order two tacos and a salad. The salad costs $2.50. You pay 8% sales tax and leave a $3 tip. You pay a total of $13.80. How
denis23 [38]
Let T = cost of a taco
Let S = cost of a salad

(2 tacos + 1 salad) + (8 % of 2 tacos and 1 salad) + 3 = 13.80

2T + S + .08(2T + S) + 3 = 13.80
2T + 2.5 + .08(2T + 2.5) + 3 = 13.80
2T + 2.5 + .16T + .20 + 3 = 13.80
2.16T + 5.7 = 13.80
2.16T = 8.10
T = 8.10/2.16 = $3.75

Check: 2T + S + .08(2T + S) + 3 = 13.80
2(3.75) + 2.50 + .08(2(3.75)+2.5) + 3 = 13.80
7.5 + 2.5 + .08(10) + 3 = 13.8
13.80 = 13.80
Answer checks as correct
8 0
3 years ago
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