1 year ago

X to the power of 2 minus 6 minus 7

Mathematics

1 answer:

nirvana33 [79]1 year ago

4 0

Answer:

$x=\sqrt{13}$

Step-by-step explanation:

$x^{2} - 6 - 7 = 0 \\x^{2} =13\\x=\sqrt{13}$

You might be interested in

While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely

kvv77 [185]

A = k/R where A = acceleration and R = radius of the turn and k is a constant to be found.

Substituting the given values:-

10 = k / 70

k = 10*70 = 700

So the equation of the motion is A = 700 / R

When the radius is 140 the acceleration is 700 / 140 = 5 ft/sec/sec ( answer)

4 0

2 years ago

Maddie does not have any pretzels. Zach gives Abbey 88 pretzels. Then he splits half of the pretzels he has left with Maddie. Za

Ann [662]

1212 x 2+ 88 = ?
Hope this helps

3 0

2 years ago

Tanya bought a bunch of bananas that weighed 2 pounds 14 ounces. How much is this. A) 30 ounces B)46 ounces C)16 ounces D)38 oun

koban [17]

Answer:

B) 46 ounces

Step-by-step explanation:

1 pound is 16 ounces, so 16*2 = 32 + 14 = 46!

8 0

2 years ago

Read 2 more answers

This month the Middle School Media newspaper has 25 pages. Twenty-five schools order the paper for each of their students. Each

musickatia [10]

Answer:

25^4

Step-by-step explanation:

Here, we want to find the expression that shows the total number of pages in all of the news papers

Number of pages per book = 25

Number of schools is 25

Number of classrooms is 25

Number of students per classroom is 25

Now; the number of students in each school

is 25 * 25

Number of students in all of the school will be;

25 * 25 * 25

So the number of pages in all of the schools will be;

25 * 25 * 25 * 25 = 25^4

7 0

2 years ago

Alyssa used 12 gallons of white paint for the ceiling of her kitchen and 13 gallons of white paint for her bedroom. She used

Arturiano [62]

She used 10 more gallons of green paint

Hope this helps if it does yourwelcome

6 0

2 years ago