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Setler79 [48]
4 years ago
9

F(x)=-2x^4+13x^3-25x^2+8x+12

Mathematics
1 answer:
tester [92]4 years ago
6 0
Use a calculator on your phone
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The driving distance from Seattle to Portland is 175 miles. Your car gets 25 miles per gallon. If gasoline is $2.80 per gallon,
Anna71 [15]

Answer:

$980

Step-by-step explanation:

Given the cost of gasoline = $2.80/mile

Total Distance = 175miles x 2 (Back and forth)

= 350 miles

Total Cost = Cost of gasoline x Total Distance =

= $2.80 x 350

= $980

7 0
2 years ago
What is the sum of 4x+11y,-15y​
Troyanec [42]

Answer:

4x-4y

Step-by-step explanation:

4x+11y-15y

Combine like terms

4x-4y

7 0
3 years ago
Read 2 more answers
Team D used a recipe that consists of 20 cups of sand, 2 cups of flour, and 3 cups of water. How does the percent of sand in Tea
spayn [35]

Answer:

80%

Step-by-step explanation:

Given:

Team D used a recipe that consists of 20 cups of sand, 2 cups of flour, and 3 cups of water.

Question asked:

How does the percent of sand in Team D's recipe compare to that of the other teams ?

Solution:

Team D used a recipe that consists of sand = 20 cups

Team D used a recipe that consists of  flour =  2 cups

Team D used a recipe that consists of  water = 3 cups

Total number of cups together = 20 + 2+ 3 =25 cups

Now we will have to find percent of cups of sand out of the total number of cups.

By using formula of percentage,

Percent = \frac{Value}{Total \ value}\times100

             =\frac{20}{25} \times100\\=\frac{2000}{25} =80\%

Therefore, 80% of sand in Team D's recipe compare to that of the other teams.

5 0
4 years ago
The length of a rectangular is 5 centimeters less then it width. The perimeter of the rectangle is 26
Zina [86]

Hi there! :)

<u>Answer:</u>

Length = 4 cm

Width = 9 cm


Step-by-step explanation:

Here's the information we know:

- Perimeter = 26 cm

- Width = x (I just replaced the width by "x" because it's what we are looking for)

- Length = x - 5


Now before we can do anything, you need to know what the formula for the perimeter of a rectangular is:<u> P = (2 × Length) + (2 × Width)</u>

Replace all the information you know in the formula and solve the equation by isolating "x":

P = (2 × Length) + (2 × Width)

26 = ( 2 × (x - 5)) + (<u>2 × x</u>)

Multiply "2" and "x" together → 2 × x = <u>2x</u>

26 = ( <u>2</u>(x - 5)) + 2x

Distribute the "2" to the entire parentheses → 2 × x = <u>2x</u> & 2 × -5 = <u>-10</u>

26 = <u>2x</u> - 10 + <u>2x</u>

Add similar terms together → 2x + 2x = <u>4x</u>

26 = 4x <u>- 10</u>

Add 10 to each side of the equation → 26 + 10 = <u>36</u>

36 = <u>4</u>x

Divide each side of the equation by 4 → 36 ÷ 4 = <u>9</u>

<u>9 = x ⇒ Measure of the width</u>


Since the lenght is 5 centimeter less than the measure of the width, in order to find the measure of the length you'll need to subtract "5" from the measure of the width, which is "9":

9 - 5 = Length rectangle

9 - 5 = <u>4 ⇒ Length rectangle</u>


There you go! I really hope this helped, if there's anything just let me know! :)

4 0
4 years ago
Colin is buying dirt to fill a garden bed that is a 9 ft by 18 ft rectangle. If he wants to fill it to a depth of 4
vova2212 [387]
72 I just did the test
7 0
3 years ago
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