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svlad2 [7]
4 years ago
11

Write an expression that represent the following. Add the sum by 5. Next, add 15 to that product,then triple the results.

Mathematics
1 answer:
Irina-Kira [14]4 years ago
5 0
5+15=20
20x3=60

I'm probably wrong, but thats how I understood the question.
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Give me a problem where the negative square root is not an integer please
likoan [24]

It could be anything, except the number whose square is integer...

example -√10, -√11, -√12, -√13, -√14, -√15, -√17

6 0
3 years ago
Which of the following numbers can be exposed as repeated decimals? 5/7 4/5 7/9 5/8
rodikova [14]

Answer:

C.

Step-by-step explanation:

5/7=.714285714 and so on

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5 0
3 years ago
What does the t-coordinate of the solution to this system represent? the time at which the ball and the dog hit the ground the t
Margaret [11]

The t-coordinate of the solution to this system represents C. the time at which the ball and the dog's mouth are at the same height.

<h3>How to explain the coordiante?</h3>

A coordinate time scale is a time standard designed for use as the time coordinate in the calculation.

When Laurie throws a tennis ball toward her dog from a height, the t-coordinate of the solution to this system represents the time at which the ball and the dog's mouth are at the same height

The complete question is:

Laurie throws a tennis ball toward her dog from a height of 4.5 ft. The initial vertical velocity of the ball is 18 ft/s. At the same time as Laurie throws the ball, her dog jumps with an initial vertical velocity of 21 ft/s. When the dog jumps, its mouth is 1.5 ft above the ground. What does the t-coordinate of the solution to this system represent?

Learn more about coordinates on:

brainly.com/question/17206319

#SPJ1

5 0
2 years ago
Sergey is solving 5x2 + 20x – 7 = 0. Which steps could he use to solve the quadratic equation by completing the square? Select t
olya-2409 [2.1K]

Answer:

Step-by-step explanation:

\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}\\x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}\\\mathrm{For\:}\quad a=5,\:b=20,\:c=-7:\quad x_{1,\:2}=\frac{-20\pm \sqrt{20^2-4\cdot \:5\left(-7\right)}}{2\cdot \:5}\\x=\frac{-20+\sqrt{20^2-4\cdot \:5\left(-7\right)}}{2\cdot \:5}:\quad \frac{-10+3\sqrt{15}}{5}\\x=\frac{-20-\sqrt{20^2-4\cdot \:5\left(-7\right)}}{2\cdot \:5}:\quad -\frac{10+3\sqrt{15}}{5}\\

\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}\\x=\frac{-10+3\sqrt{15}}{5},\:x=-\frac{10+3\sqrt{15}}{5}

7 0
3 years ago
Read 2 more answers
The area of a triangle is 24 square inches. What is the height of the triangle if the base length is 6 inches?
Nataly_w [17]
B) 8
height=2(area/base)
h=2(24/6)
h=2(4)
h=8
8 0
3 years ago
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