3 years ago

For t=2, 15t - 2t is equal to

Mathematics

1 answer:

weqwewe [10]3 years ago

6 0

Answer:

Step-by-step explanation:

=15(2) - 2(2)

=30 - 4

=26

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You order pizza on Door Dash. It costs $39. Sales tax is 7% and you want to leave 20%

Sunny_sXe [5.5K]

Answer:

$47.4

Step-by-step explanation:

prize = $39

sales tax = $7

total cost = x

tip = 20% of the tax

tip = 20% of 7

=$ 1.4

total cost = 39 +7+ 1.4

= $47.4

4 0

3 years ago

Read 2 more answers

What is 1 and 1/4, 3/2, 1 and 6/8. 1 whole from least to greatest?

Anastaziya [24]

Answer: 1, 1&1/4, 3/2, 1&6/8

3 0

3 years ago

Find the surface area of composite figure. Please help

Ivan

Answer:

The surface area of the composite figure is $410\ m^{2}$

Step-by-step explanation:

we know that

The surface area of the composite figure is equal to the surface area of the rectangular prism of the bottom plus the lateral area o the rectangular prism of the top

Step 1

Find the surface area of the rectangular prism of the bottom

The surface area is equal to

$SA=2B+Ph$

Find the area of the base B

$B=10*10=100\ m^{2}$

$P=4*10=40\ m$

$h=3\ m$

substitute

$SA=2(100)+40(3)=320\ m^{2}$

Step 2

Find the lateral area of the rectangular prism of the top

The lateral area is equal to

$LA=Ph$

$P=2*(4+5)=18\ m$

$h=5\ m$

substitute

$LA=18(5)=90\ m^{2}$

Step 3

Find the surface area of the composite figure

$320\ m^{2}+90\ m^{2}=410\ m^{2}$

8 0

3 years ago

\begin{aligned} f(x)&=x^2 \\\\ g(x)&=(x + 4)^2 - 1 \end{aligned} f(x) g(x) =x 2 =(x+4) 2 −1 We can think of ggg as a

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Step-by-step explanation:

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3 years ago

Twelve people purchased supplies for a ten-day camping trip with the understanding that each of the twelve will get equal daily

maksim [4K]

Answer:

8 days.

Step-by-step explanation:

There are 15 people after the 3 have joined so by proportion the number of days that the supplies will last is 12/15 ( = 4/5) of the ten days.

= 4*10 / 5

= 8 days.

6 0

4 years ago