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3 years ago

Please help with math,

Mathematics

1 answer:

luda_lava [24]3 years ago

4 0

Answer:

a= times two

b= times 1.25

MARK ME BRAINLIST PLEASE

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There are approximately 39.37 iches in 1 meter. how many meters are in 170 inches

mel-nik [20]

170 divided by 39.37= 4.32 meter

6 0

3 years ago

Write the standard form of the equation of a circle with radius 10 and center (9,3)

gladu [14]

Answer:

$(x-9)^{2}+(y-3)^{2} =100$

Step-by-step explanation:

The standard form formula for a circle equation is $(x-h)^{2}+(y-k)^{2} =r^{2}$ , where (h,k) represents the center of the circle, and r represents the radius.

r=10

(h,k)= (9,3)

$(x-h)^{2}+(y-k)^{2} =r^{2}$

$(x-9)^{2}+(y-3)^{2} =10^{2}\\(x-9)^{2}+(y-3)^{2} =100$

8 0

2 years ago

The depth of a lake in cedar burg changes over time due to rain fall and evaporation this year it was 39 feet which is 25% less

Nostrana [21]

Answer:

The depth of the lake last year was 52 feet

Step-by-step explanation:

Given as :

This year depth of lake = 39 feet

Let the last year depth of lake = x feet

Now,

According to question :

The depth this year is 25% less than that of last year

I.e 39 feet = x - 25% of x

Or, 39 feet = $\frac{75x}{100}$

or, x = $\frac{3900}{75}$

∴ x = 52 feet

Hence The depth of the lake last year was 52 feet Answer

4 0

3 years ago

Kerry is collecting money for school. Her goal is to get $200. She has collected $15 each from 12 people so far. How much more m

8090 [49]

Answer:

20 dollars

Step-by-step explanation:

15 dollars times 12 people to see how much money she got/has right now is 180 dollars

then take 200-180 to get <u>20</u>

5 0

3 years ago

Shortly after takeoff, an airplane is climbing 250 feet for every 1,000 feet it travels. Estimate the airplane’s climb angle whi

SCORPION-xisa [38]

Answer: The climb angle is 14°

Step-by-step explanation:

We can create a rectangle triangle, where the velocity of the plane is the hypotenuse, the horiontal component (1000 ft by unit of time) is a cathetus and the vertical component is (250ft by unit of time).

We want to find the angle that is adjacent to the horizontal component, so we can use the relationship.

Tan(angle) = opposite cathetus/adjacent cathetus

Tan(angle) = 250/1000 = 1/4

Angle = Atan(1/4) = 14°

7 0

3 years ago