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3 years ago

Plz Help ASAP! I will mark Brainliest!

Mathematics

2 answers:

Wewaii [24]3 years ago

3 0

If you have a ruler I can how you a faster why you do this

myrzilka [38]3 years ago

3 0

Answer:

Problem 18: 52°

Step-by-step explanation:

First you should now that 4x° and the 5x° are supplementary angle so they both equal to 180° therefore 4x°+5x°=9x°=180° or 180°=9x then divide by 9 on both sides of the equation and you will get x=20

Now you found x=20 since the only angle you need to solve for is the 4x° since that is the one that is inside the triangle and is needed to solve y°. PLUG IN X in 4x. 4x°= 4(20) then 4x°=80! :D

So now the triangles have the following interior angles 80° and 48°and y. Since the in a triangle the angles MUST add to 180° So put it in together 48+80+y=180 then isolate y or just subtract 48 and 80(y=180-80-48) FROM BOTH SIDES of the equation then the answer would be y=52°

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Ron wants to buy a video game with a selling price of $48. It is on sale for 50% off. The sales tax in his state is 4.5%.

NARA [144]

25.08 I think (the answer needs to be 20 characters long)

4 0

3 years ago

Is -3 a natural number a whole number a integer a rational number or irrational number

BaLLatris [955]

Answer:

-3 is a rational integer.

Step-by-step explanation:

An integer is a superset of the whole numbers that includes the negated values as well as 0.

A rational number is simply anything that can be expressed as a fraction.

-3 is by these definitions, a negated 3, and any non fractional number can be expressed as a fraction.

-3 is not a natural number, as that is the set of numbers {1, 2, 3, 4, 5, ... etc} and -3 is not a whole number, as that is the set of numbers {0, 1, 2, 3, 4, ... etc}.

And -3 is also not an irrational number since it can be expressed as a fraction.

Thus, -3 is a rational integer.

Cheers.

7 0

3 years ago

The total for shipping charges for the 8 full boxes was $54.75 more than the total for shipping charges for the partially filled

lakkis [162]

Answer:

Step-by-step explanation:

536 because it is correct

4 0

3 years ago

A lawn sprinkler sprays water 4 feet in all direction as it rotates.

Ber [7]

Answer:

50.24 ft^2

Step-by-step explanation:

The radius of the circle in which the lawn sprinkler sprays water is 4 feet.

The formula to find the area of a circle is $\pi r^2$ , where r = radius and π, in this case, is 3.14.

3.14 × 4^2
3.14 × 16
50.24 ft^2

Therefore, the answer is 50.24 ft².

5 0

2 years ago

4.)star liked to practice her number sense when possible. She

Wittaler [7]

Answer:

56 + 17

Step-by-step explanation:

The numbers could be

56 + 17 because Star was separating how she added the decimal places

She added the tens units first and then the ones units last.

so 50 + 10 first

and then 6 + 7

5 0

3 years ago