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Elza [17]
3 years ago
8

Which is equivalent wi mark brainliest answer ​

Mathematics
1 answer:
Trava [24]3 years ago
7 0

Answer:

9x

Step-by-step explanation:

you simply just add the values

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Please help me due soon<br> Answer ASAP <br> Someone please do this right
ra1l [238]

Advice:

I've seen this around quite a bit. what image is it referring to? I cannot answer this because there is no image.

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2 years ago
An isosceles triangle has an area of 254 km², and the angle between the two equal sides is 53°. Find the length of the two equal
torisob [31]
Area of a triangle = 1/2 ab sinC

In this equation the angle C is between the two adjacent sides ab
Since the lengths are equal we can call them both X
Hence 254= 1/2 (x)(x) sin53
By simplifying 508 = (x^2) sin53
So therefore x is the square root of 508 divided by sin53 which means the length of the sides is 35.8km to 3 significant figures
8 0
3 years ago
Two lighthouses are 47 miles apart along a shore. They each spot a ship on the ocean. Lighthouse A
anyanavicka [17]
I can’t understand this question
4 0
3 years ago
Write the equation of the line in standard form that has a slope of 2/3 and y-intercept of -7.
trasher [3.6K]

Answer:

-2/3x + y = -7

Step-by-step explanation:

So, y = 2/3x - 7 is the slope-intercept equation. Now, we need to turn it into the standard equation of a slope.

Standard equation --> Ax + By = C

y = 2/3x - 7

-2/3x     -2/3x

----------------------

-2/3x + y = -7 --> this is your equation in standard slope form.

3 0
2 years ago
Read 2 more answers
Two planes are 2725 miles apart and are traveling toward each other one plane is traveling 110 mph faster than the other plane T
Licemer1 [7]

Answer:

therefore x  = 600 mph

therefore the speed of the other plane  y = x - 110 = 600 - 110 = 490 mph

Step-by-step explanation:

i) Two planes are 2725 miles apart and are travelling towards each other.

ii) One plane is travelling 110 mph faster than the other plane.

iii) the planes pass each other in 2.5 hours

iv) let the speed of one plane be x mph

v) let the speed of another plane be y mph

vi) therefore x  - y = 110 mph

vii) and also x + y = 2725/2.5 = 1090

viii) adding the equation in vi) to the equation in vii) we get 2x  = 1200

    therefore x  = 600 mph

ix) therefore the speed of the other plane  y = x - 110 = 600 - 110 = 490 mph

4 0
3 years ago
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