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Oksana_A [137]
3 years ago
8

Find angle B It’s says I need 20Characters to ask the question so here u go

Mathematics
1 answer:
Ber [7]3 years ago
7 0
The answer is 50 degrees

Can I have brainliest
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Ralph is 3 times as old as Sara. In 4 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.
fiasKO [112]
Ralph is 12. If Ralph is 12 that means Sara is 4 (12/4=3). In 4 years Sara will be 8 and Ralph would be 16 (16/8=2).
4 0
3 years ago
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David travels from Building A to Building B. He can either cycle
Lelechka [254]

Answer:

43 minutes

Step-by-step explanation:

  • <em>Let cycling speed be x and driving speed be y</em>

<u>Equations as per given, considering same distance in both cases:</u>

  • 19x + 8y = 13x + 10y
  • 19x - 13x = 10y - 8y
  • 6x = 2y
  • 3x = y

We see that driving speed is 3 times greater than cycling speed

Then 8 minutes driving = 8*3= 24 minutes of cycling, or 10 minutes of driving = 10*3= 30 minutes of cycling:

  • 19 + 24 = 43 minutes or
  • 13 + 10*3 = 43 minutes is the time to cycle between A and B
3 0
3 years ago
Select all coordinate pairs that are solutions to the inequality 5x + 9y &lt; 45.
zzz [600]

Answer:

B   D   F

Step-by-step explanation:

Took quiz

3 0
3 years ago
3^6 over 3^? = 3^4<br><br> What is the missing value?
netineya [11]
For the question mark, we can insert a variable considering it is an unknown number.

\frac{3^6}{3^x}  =  3^4 \\ \\ 3^{6-x} = 3^4 \ / \ use \ qotient \ rule \\ \\ 6 - x = 4 \ / \ cancel \ out \ 3 \\ \\ -x = 4 - 6 \ / \ subtract \ 6 \ from \ each \ side \\ \\ -x = -2 \ / \ simplify \\ \\ x = 2 \ / \ multiply \ each \ side \ by \ -1 \\ \\ Answer: \fbox {x = 2}
5 0
3 years ago
PLS ANSWER ASAP!!!!!!!!!! I WILL GIVE BRAINLIEST FOR THE FIRST PERSON TO GET IT RIGHT
Colt1911 [192]
12s + 8i is one of the answers. Sorry, I don’t know the other :/
8 0
3 years ago
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