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maria [59]
2 years ago
10

F(x)= -3x^2-7x+8; find f(-3)

Mathematics
1 answer:
Assoli18 [71]2 years ago
7 0

Answer:

-7/6, 12 is your focus

Step-by-step explanation:

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A bus and a truck leave a gas station at the same time and are headed to the same destination. If the bus traveled 480 miles in
iVinArrow [24]

Answer:

The truck

Step-by-step explanation:

You need to first find out how many miles per hour each is going. To do this you need to divide. 480/8=60 210/3=70 with this information you just need to take the one that goes faster which is the truck.

7 0
3 years ago
You need to haul a load of patio bricks to a job site. Each brick weighs 4 pounds 14 ounces. Your truck can carry a 3/4-ton load
blsea [12.9K]
Convert "3/4 ton" into pounds.  Use the identity 2000 lb = 1 ton.
                                     2000 lb           1500 lb
Then       [(3/4) ton] * ---------------- = ----------------
                                        1 ton                 1

Now divide 1500 lb by 4 lb 14 oz.  Note that 4 lb 14 oz = 4 14/16 lb, or
4 7/8 lb, or 4.875 lb.

Then, divide 1500 lb by

4.875 lb 
------------ to determine the number of bricks the truck can safely carry.
 1 brick

This comes out to 1500/4.875 bricks, or approx. 307 bricks.
8 0
3 years ago
I need help on this one
Stella [2.4K]

Answer:

With what? I don't see the question.....

4 0
3 years ago
2. What is the area of a circle whose diameter is 14π cm?
34kurt

Answer:

Diameter = 14 cm

Radius(r) = Diameter/2

=> 14/2 = 7cm

Circumference of circle

=> 2 π r

=> 2 × \frac{22}{7}

7

22

× 7

=> 2 × 22

=> 44 cm

Therefore, circumference of circle= 44 cm.

___________________

Area of circle = π r ²

=> \frac{22}{7}

7

22

× 7 × 7

=> 22 × 7

=> 154 cm²

Therefore, Area of circle = 154 cm²

5 0
3 years ago
Read 2 more answers
Peter, Bridget and Caroline share some sweets in the ratio 2:5:2. Peter gets 14 sweets. How many did Bridget get?
stepladder [879]

Answer:

9

Step-by-step explanation:

supposed ratio be 2x : 5x : 2x

add the ratio

7 0
3 years ago
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