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Solnce55 [7]
3 years ago
9

What is y=2x+4 and 3x+y=9 substitution method

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
8 0
You plug in 2x + 4 into the y for the other equation (3x +y ) and solve for it
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HAVE A NICE DAY <br> WILL GIVE BRAINLST :)
seropon [69]

Answer:

3. 30 degrees

4. 46 degrees

5. 55 degrees

Step-by-step explanation:

3. Let it be x

85+65+X=180

150 + x = 180

x = 180 - 150

x = 30 degrees

4. Let it be x

104 + 30 + x = 180

134 + x = 180

x = 180 - 134

x = 46 degrees

5. Let it be x

x + 85 + 40 = 180

x + 125 = 180

x = 55 degrees

PLEASE GIVE ME BRAINLIEST PLSSS

6 0
3 years ago
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PLEASE HELP GEOMETRY!!!
Goshia [24]
The answer is D

Hope this helps!
8 0
3 years ago
I believe the answer is B can anyone confirm please?
Marizza181 [45]
The answer is D, not B
7 0
3 years ago
Last year, Nahla opened an investment account with $5400. At the end of the year, the amount in the account had increased by 7.5
Inga [223]

Answer:

Step-by-step explanation:

7.5% would be 405. Honestly to find it quickly, i took 10% of 5400,which is 540 and divided that by 4 to get 135 and multiply that by 3 to get 7.5%, which is 405 increase. to get the money total add 405 to 5400 to get 5805

4 0
3 years ago
Cat face x+4/5=45 sa il aflu pe x
love history [14]

Given:

The equation is

x+\dfrac{4}{5}=45

To find:

The value of x.

Solution:

We have,

x+\dfrac{4}{5}=45

Isolating the variable, we get

x=45-\dfrac{4}{5}

x=\dfrac{225-4}{5}

x=\dfrac{221}{5}

x=44.2

Therefore, the value of x is 44.2.

6 0
3 years ago
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