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Vadim26 [7]
3 years ago
13

PLZ HELP!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
amm18123 years ago
5 0
The answer will be C.
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Mr.Estevez got a new post mounted mail box. He dug out the old one and left a square hole and only measured one side. Mr.Estevez
Vilka [71]

Answer:

95.1\ cm^2

Step-by-step explanation:

we know that

A square is a quadrilateral that has four equal sides and four equal interior right angles.

The area of the square is given by the formula

A=b^2

where

b is the length side of the square

In this problem we have

b=9.75\ cm

substitute in the formula

A=(9.75)^2=95.06\ cm^2

Round to the nearest tenth

A=95.1\ cm^2

7 0
3 years ago
A certain product has a unit price of 9.5 cents per ounce. The product sells in bottles of 14 ounces and is priced at $1.30. As
Vikki [24]
If the unit price is 9.5 cents (round to 0.10), then the $1.30 for 14 oz is cheaper:
1.30 ÷ 14 = 0.092 (round to 0.09)
6 0
3 years ago
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Graph -x^2+x+6=0 and state the consecutive integers between which roots are located
KengaRu [80]

Answer:

The roots of given quadratic equation lies from \begin{bmatrix}-2 , 3 \end{bmatrix}

Step-by-step explanation:

Given as :

The quadratic equation is x² - x -6 = 0

The quadratic equation is in form of ax² + bx +c = 0

Let x1 and x2 be the roots of equation

Sum of roots

So, x1 + x2 = \frac{-b}{a}  

And products of roots is x1 × x2 = \frac{c}{a}

So, x1 + x2 = \frac{1}{1}  

Or,   x1 + x2 = 1          ......A

And  x1 × x2 = \frac{-6}{1}

Or,  x1 × x2 = - 6

Now, (x1 - x2)² = (x1 + x2)²+ 4×x1×x2

Or,  (x1 - x2)² = (1)²+ 4×6

Or,  (x1 - x2)² = 25

So , x1 - x2 = \sqrt{25} = 5          ......B

Now solve eq A and eq B

Or, (x1 + x2) + (x1 - x2) = 1 +5

Or, 2 x1 = 6

∴   x1 = 3     And     x2 = - 2

Hence The roots of given quadratic equation lies from \begin{bmatrix}-2 , 3 \end{bmatrix}   Answer

6 0
3 years ago
Do the set of points in the figure represent a function?<br><br><br><br> Yes<br> No
AveGali [126]

Answer:

No

Step-by-step explanation:

They are just points on the plane. If they were joined and had a domain it could be a function

4 0
3 years ago
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What is -10+(-3/4)?<br> PLEASE answer <br> 10 points
AleksandrR [38]

Answer:

the first

-10 3/4

Step-by-step explanation:

;3. i sure

3 0
3 years ago
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