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Oksana_A [137]
3 years ago
8

What do you add too 17/4 to make 5

Mathematics
1 answer:
MatroZZZ [7]3 years ago
7 0

Answer:

<u><em>3/4 </em></u><em>  </em>or<em>  </em><u><em>0.75</em></u>

Step-by-step explanation:

Let's add x to 17/4 to get to 5

Then, 17/4 + x = 5

x = 5 - 17/4

x = 20-17 / 4

x = 3/4

In short, Your Final Answer would be: 3/4 or 0.75

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aleena has a watering can. she uses 3/8 gallonto water her roses and1/3 gallon to water the geraniums . How much water did. Alee
WINSTONCH [101]
The answer is simple to work out you  do 3/8 + 1/3

but the denominators are different so you find the lowest common multiple in this case 24 .
the frection is now 9/24 + 8/24 this is 17/24
I changed the fraction by doing this 24(common multiple) divided by 8 (denominator) that's how I got it if you don't understand just ask me
8 0
3 years ago
The equation h(t) = -16t² + 80t + 64 represented the height, in feet, of a potato t seconds after it has been launched.
Lyrx [107]

Answer:

Part A) The potato hit the ground at t=5.70 seconds (see the explanation)

Part B) The potato is 40 feet off the ground at the time t=5.28 seconds (see the explanation)

Step-by-step explanation:

we have

h(t)=-16t^2+80t+64

where

h(t) is the height of a potato in feet

t is the time in seconds

Part A)  Write an equation that can be solved to find when the potato hits the ground. Then solve the equation

we know that

When the potato hit the ground, the value of h(t) must be equal to zero

so

For h(t)=0

-16t^2+80t+64=0

Solve the quadratic equation

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

-16t^2+80t+64=0

so

a=-16\\b=80\\c=64

substitute in the formula

t=\frac{-80\pm\sqrt{80^{2}-4(-16)(64)}} {2(-16)}

t=\frac{-80\pm\sqrt{10,496}} {-32}

t=\frac{-80+\sqrt{10,496}} {-32}=-0.70

t=\frac{-80-\sqrt{10,496}} {-32}=5.70

therefore

The potato hit the ground at t=5.70 seconds

Part B) Write an equation that can be solved to find when the potato is 40 feet off the ground. Then solve the equation

For h(t)=40 ft

substitute in the quadratic equation

-16t^2+80t+64=40

-16t^2+80t+24=0

Solve the quadratic equation

we have

a=-16\\b=80\\c=24

substitute in the formula

t=\frac{-80\pm\sqrt{80^{2}-4(-16)(24)}} {2(-16)}

t=\frac{-80\pm\sqrt{7,936}} {-32}

t=\frac{-80+\sqrt{7,936}} {-32}=-0.28

t=\frac{-80-\sqrt{7,936}} {-32}=5.28

therefore

The potato is 40 feet off the ground at the time t=5.28 seconds

3 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description.
Marrrta [24]
Let's find the discriminant of <span>x^2+9x+14=0.  Here, a=1, b=9 and c=14.

The discriminant is b^2-4ac.  Substituting the above numeric values,
                                9^2-4(1)(14) = 81-56 = 25

The sqrt of 25 is 5.  Thus, your polynomial has two unequal, real roots.

Off the point example:  If the discriminant were zero, your poly would have two real, equal roots.</span>
4 0
3 years ago
A room is 18ft long by 18ft wide. A blueprint shows the room to be 3.5 inches long. What is the width of the room in the bluepri
k0ka [10]
Um...wouldn't that be 3.5 inches?
4 0
3 years ago
Read 2 more answers
Use the number chart to answer the questions. Circle each number you find. You can only use digits that are next to each other t
NARA [144]

Answer:

  • row - F
  • column - K
  • column - S
  • row - B
  • column - K
  • column - G

Step-by-step explanation:

1. The least four digit number found in the rows is : 1164

  The row is F

2. The maximum number of digits in counting order is : 1 3 5 7 9

   The column is K

3. The highest 3 digit number in a column is 992

   The column is S

4. The palindrome with greatest number of digits is 7117

   The row is B

5. The greatest number of odd numbers in counting order is : 1 3 5 7 9

   The column is K

6. The palindrome with greatest number of digits is 235532

   The column is G

7 0
3 years ago
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