All categories

3 years ago

Anyone know how to do this with a explanation ?

Mathematics

1 answer:

storchak [24]3 years ago

8 0

Answer:

30 degrees

Step-by-step explanation:

Since we know that all triangles equal 180 degrees, we can add the 2 given angles and subtract that from 180 to find the remaining angle.

90+60=150

180-150=30 degrees

You might be interested in

The distance from Mars to the Sun is 1.416×10^8 miles. The distance from Earth to the Sun is 9.296×10^7 miles. How many more mil

Cerrena [4.2K]

Answer:

$4.864*10^7\ miles$

$48,640,000\ miles$

Step-by-step explanation:

we know that

To determine how many more miles is the distance from Mars to the Sun than the distance from Earth to the Sun, subtract the distance from Earth to the Sun from the distance from Mars to the Sun

Let

x ----> the distance from Mars to the Sun in miles

y ----> the distance from Earth to the Sun in miles

Find out

$(x-y)$

we have

$x=1.416*10^8\ miles$

$y=9.296*10^7\ miles$

we need to adjust the powers of 10 in the 2 numbers so that they have the same index

Multiply the distance from Earth to the Sun by 10/10

$y=9.296*10^7(\frac{10}{10})=0.9296*10^8\ miles$

Find out the difference

$(x-y)=1.416*10^8\ miles-0.9296*10^8\ miles=0.4864*10^8\ miles$

Multiply by 10/10

$0.4864*10^8(\frac{10}{10})=4.864*10^7\ miles$

7 0

4 years ago

Question 4:<br> Factor (2x^2 + 4x) (x^2 + x - 6) completely.

Arte-miy333 [17]

Answer:

2x(x+2) (x-2) (x+3)

Step-by-step explanation:

7 0

3 years ago

Ten times the sum of half a number and 6 is 8

vredina [299]

Ten (10) times (multiplication) the sum (addition) of half ( $\frac{1}{2}$ a number (n) and 6 is (=) 8.

10( $\frac{n}{2}$ + 6) = 8 Use the Distributive Property
5n + 60 = 8 Subtract 60 from both sides
5n = -52 Divide both sides by 5
n = -10 $\frac{2}{5}$

3 0

3 years ago

8 and 3times a number is 128

mel-nik [20]

You must first set up an equation for this problem. Your equation is 8+3x=128. If we subtract 8 from each side we get 3x=120. If we then divide both sides by 3 we get x=40. Therefore your number is 40 because 8+3*40=128.

5 0

3 years ago

Read 2 more answers

42000+18000-48000+49000-42000

nadezda [96]

The answer is 42,000

5 0

3 years ago

Read 2 more answers