1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ki77a [65]
3 years ago
14

Kong took 15, percent fewer seconds than Nolan took to complete his multiplication timed test. Kong took 85 seconds.

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
4 0

Kong took 85 seconds to complete his multiplication timed test. Consider the proportion:

Nolan took x seconds - 100%

Kong took 85 seconds - 100%-15%=85%

That is mathematically

\dfrac{x}{85}=\dfrac{100}{85},\\ \\x=\dfrac{100\cdot 85}{85}=100\ seconds.

Answer: Nolan took 100 seconds to complete the test.

aksik [14]3 years ago
4 0

Nolan took 100 seconds. Is what khan academy says.

You might be interested in
WILL MARK BRAINLIEST!!! What is the exact value of tan(−3π4) ?
Hoochie [10]

Answer:

-12π

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the perimeter of the object <br><br> Help step by step please!
aliina [53]

Answer:

29.42 units

Step-by-step explanation:

<u>1) Find the perimeter around the semi-circle</u>

To do this, we find the circumference of the circle using the given diameter:

C=\pi d where d is the diameter

Plug in 6 as the diameter

C=\pi (6)\\C=6\pi

Divide the circumference by 2

\frac{6\pi }{2} \\= 3\pi

Therefore, the perimeter around the semi-circle is 3π units.

<u>2) Find the perimeter around the rest of the shape</u>

Although it's impossible to determine the lengths of the varied sides on the right side of the shape, we know that all of those <em>vertical</em> sides facing the right add up to 6. We also know that all of those <em>horizontal </em>sides facing up add up to 7. Please refer to the attached images.

Therefore, we add the following:

7+6+7

= 20

Therefore, the perimeter around that area of the shape is 20 units.

<u>3) Add the perimeter around the semi-circle and the perimeter around the rest of the shape</u>

20+3\pi \\= 20+9.42\\= 29.42

Therefore, the perimeter of the shape is approximately 29.42 units.

I hope this helps!

3 0
2 years ago
their was only 1/2 pizza 3 needed 2 share it ... how much of the original pizza woud each person get please help right away!!!!!
denpristay [2]
We are going to have to divide...
We have to put 1 as a denominator for 3 because it's a whole.
\frac{1}{2} / \frac{3}{1}
Cross multiply.
1*1=1
3*2=6
= \frac{1}{6}
Each person would get \frac{1}{6} of the original pizza.

Have a nice day! :)
8 0
3 years ago
If I read 4 pages of a book in 5 minutes, how many pages did I read per minute?
Kisachek [45]

Answer:

about a half a page

Step-by-step explanation:

3 0
2 years ago
A triangle has a side length of 15 inches and 30 inches.It also has angels that measures 45 and 20.Which of the following identi
Alika [10]
I am assuming that you will need to do Pythagorus Theorem to find the 3rd side length. If thats the case then you will need to do the following formula : a^2 + b^2 = <span>√(c) 
So 15^2 + 30^2 = </span>√(c)
= 33.5 inches

The third angle would be 115 because 180 - 45 - 20 = 115

I hope this helped.
7 0
2 years ago
Other questions:
  • On Monday, a concession stand manager ordered 985 popcorn bags and 1010 paper food trays. She splits the bags and trays evenly a
    12·1 answer
  • Kim bought 10 pizzas for a party .each pizza cost $8.50 kim and 4 of her friends are splitting the cost of the pizzas how much w
    12·2 answers
  • What is the mean of 5, 8, 16, 22, 19, 27, 32? (Round to the nearest whole number.)
    15·2 answers
  • A car leaves Albany , NY And travels west towards buffalo, NY. The equation D=280 - 59t can be used to represent the distance, D
    12·1 answer
  • There are (4^2)^3 ⋅ 40 horses at a stud farm. What is the total number of horses in the farm?
    10·1 answer
  • June and Sushil win some money and share it in the ratio 1:4. June gets £14. How much did Sushil get?
    7·2 answers
  • What is the probability that the two pointers will land on an odd number and letter C? Give the probability as a percent
    5·2 answers
  • Orianna had 10 tiles to arrange in a rectangular design. She drew a model of the rectangles she could make with the 10 tiles. As
    5·1 answer
  • I need big help, what are the step by step math problem and the answer to (18/-2)^2?
    9·2 answers
  • A line is drawn on the coordinate plane that passes through the point (3,-6) and has a slope of 4. The y-intercept of the line i
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!