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Ierofanga [76]
3 years ago
14

Using the discriminant, fdetermine the number of real solutions. 2x^2+7x-15=0

Mathematics
1 answer:
ratelena [41]3 years ago
4 0
Here's your solution.

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Ms. Moneyhun's son, Sam, just learned to crawl. He can crawl 20 ft in one minute. How many feet can Sam crawl in one hour? (Hint
almond37 [142]

Answer:

1200 ft in one hour

Step-by-step explanation:

The ratio of Sam crawling 20 ft in one minute can be written as:

20:1

Multiply the ratio by 60 to get the minutes to 60 minutes, because there are 60 minutes in an hour:

 20    :    1

×60     ×60

To get:

1200:60  ⇒  This means Sam can crawl 1200 ft in 60 minutes, which is the same as 1200 ft in one hour.

<em>Hope this helps!</em> :)

6 0
3 years ago
Please help I will mark brainliest
maksim [4K]

Answer:

<4 and <12

Step-by-step explanation:

When looking at Corresponding Angles, they need to be on opposite sides of a transversal. In this case, the answer is <4 and <12

7 0
3 years ago
Read 2 more answers
The isosceles trapezoid is part of an isosceles triangle with a 32° vertex angle. What is the measure of an acute base angle of
nevsk [136]

Answer:

acute base angle = 74° , obtuse base angle = 106°

Step-by-step explanation:

Since the large triangle is isosceles with vertex angle (top angle) is 32, then the bottom 2 angles would be same (let it be x):

We know angles of triangle add up to 180, so we have:

x + x + 32 = 180

2x = 180 - 32

2x = 148

x = 148/2

x = 74

This 74 degree angle is the base acute angle of the isosceles trapezoid (lower portion). We also know opposite angles of isosceles trapezoid are supplementary (add up to 180), thus

obtuse angle + 74 = 180

obtuse angle (base) = 180 - 74 = 106

Thus, acute base angle = 74° , obtuse base angle = 106°

6 0
3 years ago
The width of a rectangular window is 24 inches. the area is 624 square inches. What is the length?
Feliz [49]

Answer:

Using the formula

A=wl

Solving forl

l=A

w=624

24=26in

8 0
3 years ago
Read 2 more answers
Need some help with this please!!
beks73 [17]

Answer:

B,C and B,A

Step-by-step explanation:

Line the cordients and go up right,Then left to find your answer.

4 0
3 years ago
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