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Rufina [12.5K]
3 years ago
5

1. (3x3 + 3x2 - 4x + 5) + (x2 – 2x + x 4) |

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0

Answer:

20-4x

Step-by-step explanation:

3x3+3x2-4x+5

9+3x2-4x+5

9+6-4x+5

20 - 4x

KonstantinChe [14]3 years ago
6 0

Answer:

x^{2} + 3x^{3} + 4x^{2} - 6x + 5

Step-by-step explanation:

first remove the parentheses

then add the like terms

lastly reorder the terms

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Help on both <br><br> please !!! <br><br> don't give me irrelevant answers pls
Gennadij [26K]

Answer:

< 1 is 85

X= 50

Step-by-step explanation:

ok the first question has 2 angles given 60 and 65

consider this one shows a 90 degree angle and the other does not. so  60 plus 90 equals 150 degrees

the u must say 65 plus x (x being angle 1) must also equal 150

subtract 65 from 150 and you get 85

now the second problem lets use the

Exterior Angle Theorem

The measure of an exterior angle (our w) of a triangle equals to the sum of the measures of the two remote interior angles (our x and y) of the triangle.

using this we know the 40 degree angle and 2x + 20 equals 3x plus 10

so we subtract 10 degrees from both sides and get

2x plus 10 plus 40 equals 3x now this means x equals 10 plus 40 which is 50

8 0
2 years ago
1) What is 0.627 written in expanded form using decimals?
Lilit [14]
So in order it goes from: 0.6, 0.02, 0.007
7 0
3 years ago
Read 2 more answers
HELP I WILL GIVE 30 POINTS AND MARK BRAINLIEST
Alekssandra [29.7K]

Answer:

yo can i pls have points im doing world record attempt for points soon

Step-by-step explanation:

4 0
3 years ago
on the same bus, 1/3 of the French speakers can also speak German. how many people can speak both German and French
Alenkinab [10]
It's easy if you just break it into pieces...

1/3 OF the 4/9 French OF people on the bus (27) also speak German.

Of= Multiply

1/3*4/9*27/1=4 speak French AND German




3 0
3 years ago
Hi there!<br><br> Can you help me please? Thanks! <br><br> Please explain
Bingel [31]
H=-t^2+95
The y intercept here is 95, and it represented from where the boy threw the ball.

If he threw it from 95 ft above the ground, the best answer for where he is is on a bridge.
His backyard is at 0 ft (sea level). An underground cave is below sea level. A ladder is probably not 95 ft.

Final answer: D
5 0
3 years ago
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