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inysia [295]
3 years ago
5

I’m not sure how to solve this.. does anyone have the answer

Mathematics
1 answer:
WITCHER [35]3 years ago
5 0

I think the answer should be 241.8 feet

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The lengths of three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. 6,9,7
katrin2010 [14]
Answer : acute
Right triangle : a^2+b^2=c^2
Acute triangle : a^2+b^2 > c^2
Obtuse triangle:a^2+b^2 < c^2
6^2+7^2 > 9^2
7 0
3 years ago
NEED HELP NOW. I need help finding the x-intercepts.
Bingel [31]

Answer:

To find the x-intercepts we can write:

0 = -1/2(x + 3)² + 4

0 = -1/2(x² + 6x + 9) + 4

0 = -1/2x² - 3x - 9/2 + 4

0 = -1/2x² - 3x - 1/2

0 = x² + 6x + 1

x = -3 ± 2√2 (use quadratic formula)

As a decimal this can be written as x = -5.83, x = -0.17.

5 0
3 years ago
Julissa's dance class ended at 6:15 pm. It lasted 1 hour and 25 minutes.<br> What time did it start?
Vlad1618 [11]

Answer:

4:50

Step-by-step explanation:

3 0
3 years ago
Somebody help me please (10th grade geometry)
sertanlavr [38]
Thinks it b because it going to be a different size
7 0
2 years ago
An exam worth 148 points contains 36 questions. Some questions are worth 2 points, and the others are worth 6 points. How many 2
Airida [17]

In order to solve for this question, let's assign a couple variables.

The variable 't' will represent the number of two-point questions, and the variable 's' will represent the number of six point questions.

From the given, we can already form two equations:

t + s = 36

("An exam... contains 36 questions")

2t + 6s = 148

("An exam worth 148 points... Some questions are worth 2 points, and the others are worth 6 points")

Before we begin calculating anything, we can simplify the second equation we made, since all the numbers are divisible by 2:

2t + 6s = 148

t + 3s = 74

Now let's refer back to the first equation. We can subtract both sides by 's' (you could also subtract both sides by 't', but I personally think that this will make solving the equation less difficult):

t + s = 36

t = 36 - s

This effectively gives us a value for the variable 't'. We can assign this value back into our first equation:

t + 3s = 74

(36 - s) + 3s = 74

36 + 2s = 74

2s = 38

s = 19

Input 's' into our second equation to solve for 't':

t = 36 - s

t = 36 - 19

t = 17

There are 17 two-point questions and 19 six-point questions

- T.B.

4 0
3 years ago
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