Please help me please please !

Mathematics

1 answer:

bogdanovich [222]3 years ago

8 0

Answer: 45 for both

B and D are both right angles (90°)

A triangle always equals 180.

180-90= 90

To find the other 2 by dividing by 2.

90/2 = 45

Hope this helps :)

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during a bike challenge, riders have to collect various colored ribbons. each 1/2 mile they collect a red ribbon, each 1/8 mile

Natali [406]

The correct answer is: 
green and blue.

Explanation: 
We want to see which fractions $\frac{3}{4}$ is a multiple of. We know that $\frac{3}{4}$ is a multiple of $\frac{1}{4}$ , because $\frac{1}{4}$ *3= $\frac{3}{4}$ .

We can divide fractions to determine if $\frac{3}{4}$ is a multiple of $\frac{1}{2}$ :
$\frac{ \frac{3}{4}}{ \frac{1}{2}}$ ;

in order to divide fractions, flip the second one and multiply:
$\frac{3}{4}$ )* $\frac{2}{1}$ = $\frac{6}{4}$ =1 $\frac{1}{2}$ .
This did not divide evenly, so $\frac{3}{4}$ is not a multiple of 1/2.

Checking to see if $\frac{3}{4}$ is a multiple of $\frac{1}{8}$ , $\frac{ \frac{3}{4}}{ \frac{1}{8}}$ ;

flip the second one and multiply:
$\frac{3}{4}$ * $\frac{8}{1}$ = $\frac{24}{4}$ =6.
This divided evenly, so $\frac{3}{4}$ is a multiple of $\frac{1}{8}$ .

6 0

3 years ago

Read 2 more answers

Can someone please do 1,2 and 3 please

jok3333 [9.3K]

1. x=−1 or x=−5

2. x=9 or x=−15

3.x=3 or x=−3

3 0

2 years ago

I need help again i will mark brainliest

kykrilka [37]