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3 years ago

14.4% of what number is 10.4

1 answer:

8 0

First, convert "of" to x and put this info into an equation:

Let n represent the unknown number.

14.4 % x n= 10.4
n = 10.4 / 14.4%
n = 72.22222
n = ~72

Hope this helps!

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Factor 12y^2 + 5y -2 completely

Ede4ka [16]

Answer: (4x-1)(3x+2)

Step-by-step explanation:

do u know how to factor?

4 0

3 years ago

Read 2 more answers

Can someone help me, please? I need to find the value of x and y rounded to the nearest tenth. Thank you!

Pepsi [2]

Answer:

$x\approx 24.0,\\y\approx 46.4$

Step-by-step explanation:

Let the height of the largest triangle marked be $h$ . We can set up the following equation:

$\sin 30^{\circ}=\frac{h}{34},\\h=34 \sin 30^{\circ}=17$ (if you're unfamiliar with trig, this is likely introduced to you as 30-60-90 triangle rules)

This height is also a leg of a 45-45-90 triangle, as marked in the diagram. From the isosceles-base-theorem, the other leg of this triangle must also be equal to $h$ . Therefore, we can use the Pythagorean theorem to solve for $x$ :

$17^2+17^2=x^2\\x^2=\sqrt{17^2\cdot 2},\\x=17\sqrt{2}\approx \boxed{24.0}$ (you can also use trig or 45-45-90 triangle rules which are derived from the Pythagorean theorem)

Segment $y$ consists of two shorter segments, a left segment and a right segment. We've already found that the left segment is equal to 17. To find the right segment we can use trig, the Pythagorean theorem, or 30-60-90 triangle rules (derived from the Pythagorean theorem):

Using Pythagorean Theorem:

$y_{right}=\sqrt{34^2-17^2}\approx \boxed{29.4}$

Therefore, we have:

$y=17+29.4=\boxed{46.4}$

7 0

2 years ago

What is the 6th term of this geometric sequence? 1,7,49,343

ludmilkaskok [199]

Since it is times 7 each time it will be 16807

3 0

3 years ago

Read 2 more answers

Three vertices of a rectangle have coordinates(−2,3) , (2,2) , and (0,−6) .

pshichka [43]

It is (-4,-5)

If you would like I could draw it out for you and attach it :) So then you understand how to get the answer

6 0

3 years ago

Molly starts riding her bike to school 20 minutes after her brother Jonas

Troyanec [42]

Answer:

It will take Molly 1 hour to catch up to Jonas.

Step-by-step explanation:

Since Molly starts riding her bike to school 20 minutes after her brother Jonas does, and Molly pedals 12 miles per hour, and Jonas pedals 9 miles per hour, to determine how much time will it take for Molly to catch up to Jonas the following calculation has to be done:

Jonas = 9 miles per 60 minutes = 3 miles per 20 minutes

Molly = 12 miles for 60 minutes

Jonas = 3 miles + 9 = 12

Molly = 12

Therefore, it will take Molly 1 hour to catch up to Jonas.

8 0

2 years ago