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sweet [91]
3 years ago
12

PLEASEEEEEEEE!!! Graciela was trying to solve the quadratic equation

"TexFormula1" title="x^2+2.5x-1.5=0" alt="x^2+2.5x-1.5=0" align="absmiddle" class="latex-formula">. “I think I need to use the Quadratic Formula because of the decimals,” she told Walter. Walter replied, “I'm sure there's another way! Can't we rewrite this equation so there aren't any decimals?” original equation.
A.What is Walter talking about? Rewrite the equation so that it has no decimals.
B.Rewrite your equation again, this time expressing it as a product.
C.Now solve your new equation. Be sure to check your solution(s) using Graciela's original equation.
Mathematics
2 answers:
Komok [63]3 years ago
8 0

Answer:

c

Step-by-step explanation:

Novosadov [1.4K]3 years ago
5 0

Answer:

it's  

Step-by-step explanation:

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Write the slope-intercept form of the line that passes through (-10,17) and (5,-4)
RideAnS [48]

Answer:

y = - \frac{7}{5} x + 3

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 10, 17) and (x₂, y₂ ) = (5, - 4)

m = \frac{-4-17}{5+10} = \frac{-21}{15} = - \frac{7}{5}

y = - \frac{7}{5} x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (5, - 4), then

- 4 = - 7 + c ⇒ c = - 4 + 7 = 3

y = - \frac{7}{5} x + 3 ← in slope-intercept form


3 0
4 years ago
What is the length of the diagonal for the given rectangular prism to the nearest whole unit?
kolbaska11 [484]
Given:
length = 6
width = 5
height = 9

Diagonal of a rectangular prism = √(l² + w² + h²)
d = √ 6² + 5² + 9²
d = √ 36 + 25 + 81
d = √ 142
d = 11.916  ROUNDED TO NEAREST WHOLE UNIT D. 12 CM.

Given:
Pyramid base = 12 cm
height = 8 cm

We can use the Pythagorean theorem to look for the slant height because it is the hypotenuse of a right triangle.

a² + b² = c²

a is the height ; b is the base ; c is the slant height.
b = 1/2 of the pyramid base.
b = 12/2 = 6 cm

8² + 6² = c²
64 + 36 = c²
100 = c²
√100 = √c²
10 = c  Answer is letted D. 10 cm.
7 0
3 years ago
There are 15 tables in camille's cafe. some of those tables can seat 6 people, and the rest of them can only seat 4 people. if a
morpeh [17]
The correct anwser is 12. The solution is 76/6 then you know it's 12.666666666... But we can't say that's 13 because they are human. So wecan only say the number is 12 not 13. 
5 0
3 years ago
Mrs ndlovu finds the perfect fridge online with the following dimensions: 70inches ×1.7 yards ×2.4 feet will the fridge fit ? sh
Orlov [11]

The dimensions of the fridge are the length, width and the height of the fridge

The volume of the fridge is 123379.2 cubic inches

<h3>How to determine the volume of the fridge</h3>

The dimensions are given as:

70 inches ×1.7 yards ×2.4 feet

Convert the dimensions to inches

70 inches × 61.2 inches × 28.8 inches

So, the volume is:

Volume = 123379.2 cubic inches

Hence, the volume of the fridge is 123379.2 cubic inches

Read more about volumes at:

brainly.com/question/1972490

6 0
2 years ago
Which of the following functions is graphed below?
Sladkaya [172]
The correct answer is A. when solving these graphs the number in the x-axis is always flipped ex: -4 would be +4, and +4 would be -4
5 0
3 years ago
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