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lyudmila [28]
3 years ago
8

Help please timed test.

Mathematics
1 answer:
expeople1 [14]3 years ago
6 0

Answer:

33

Step-by-step explanation:

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Find x . Round your answer to the nearest tenth of a degree. 35 25 x
Rudik [331]

Answer:X=54.5°

Step-by-step explanation:

5 0
3 years ago
The space shuttle travels at about 28,000 km per hour. Using that information, estimate how many hours it will take the shuttle
Gekata [30.6K]

Answer:

t = 42857.14 h

Step-by-step explanation:

Given that,

The speed of space shuttle, v = 28000 km/h

We know that, the distance between the Saturn and the Earth is 1,200,000,000 km.

Let t be the time.

As we know, speed = distance/time

So,

t=\dfrac{d}{v}\\\\t=\dfrac{1,200,000,000}{28000}\\\\t=42857.14\ h

So, the required time is equal to 42857.14 hours.

6 0
3 years ago
PLEASE HELP ASAP!!! 30 PTS + BRAINLIEST FOR RIGHT/BEST ANSWER!!!
san4es73 [151]

Solve for X in the 2nd equation:

x+2z = 0

Subtract 2z from both sides:

x = -2z


Replace x in the first equation with -2z

-2z +y -z = 1

Combine like terms:

-3z +y = 1

Add 3z to both sides:

y = 3z +1


Replace x and y in the 3rd equation:

2(-2z) + 2(3z+1) = 4

-4z + 6z + 2 = 4

2z +2 = 4

2z = 2

z = 1


Now replace z with 1 in the other equations for x and y:

x = -2z = -2(1) = -2

y = 3z +1 = 3(1) +1 = 3+1 = 4


So you have x = -2, y = 4 ans z = 1


The answer would be written as (-2,4,1)

8 0
4 years ago
X²+9x+a has a factor of (x+8) what is the value of 'a' equal to
salantis [7]

Answer:

a = 8

Step-by-step explanation:

(x+8)(x+1) = x^2 + 9x + 8

8 0
3 years ago
What is the slope of the line that passes through the points (-2.15) and (-8,-5)?​
Savatey [412]

Slope = 20/6 = 10/3

......................................

5 0
3 years ago
Read 2 more answers
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