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3 years ago

How much is the investment worth after 2 decades? (1 point)

Mathematics

1 answer:

alexandr402 [8]3 years ago

7 0

Uhh.... the investment that you're talking in the U.S

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A plane can fly 7 miles per minute. The plane will fly 8 trips, and each trip is 810 miles. How many hours will the plane fly? S

ELEN [110]

7*60 = 420

810/420 = 1.9285

93- 100 = 53-60

subtract 40 from 93.

1.53*8 = 12.24

Answer: 12 hours and 24 Minutes

If this helps give a brainliest :)

4 0

3 years ago

Braden has 3 soccer balls and 2 basketballs that weighs a total of 5.44 pounds. Which equation and solution can be used to deter

STALIN [3.7K]

3x+2y=5.44
it's a two variable problem which can't be solved algebraically unless you are given the weight of one of the balls.

8 0

3 years ago

The following picture is a square pyramid where DE=8 cm and m∠ADE=60°.

mr_godi [17]

Answer:

131 cm

Step-by-step explanation:

formula for surface area of pyramid is

S = (1/3)Bh

but the base ia a square, so B = $x^{2}$

S = (1/3) $x^{2} h$

the pic shows h = 8

but we don't know x

do SohCahToa

sin60 = x/8

x = 8sin60

x = 6.92820323 or 7

plug in numbers

S = (1/3) $7^{2}$ 8

S = 392/3

S = 130.6666667 or 131 cm

5 0

3 years ago

Given the following sequence, find the 23rd term: 10.5, 11, 11.5, 12, 12.5, . . .

4vir4ik [10]

10.5, 11, 11.5, 12, 12.5...this is an arithmetic sequence with a common difference of 0.5

an = a1 + (n - 1) * d
n = term to find = 23
a1 = first term = 10.5
d = common difference = 0.5

sub and solve

a(23) = 10.5 + (23 - 1) * 0.5
a(23) = 10.5 + 22 * 0.5
a(23) = 10.5 + 11
a(23) = 21.5 <===

6 0

3 years ago

Write the equation for the line whose slope is -1/4 and goes through the point (-2,6)

Kryger [21]

Answer:

$y = -\frac{1}{4} + \frac{11}{2}$