MATHEMATICS MIDDLE SCHOOL

A wave with a height of 5 feet and a wavelength of 10 feet has a wave base of A. 20 feet
B. 10 feet
C. 5 feet
D. 2.5 feet

Answers

Answer 1
Answer:

Answer:

C. 5 feet

Step-by-step explanation:

If a wave with a height of 5 feet and a wavelength of 10 feet has a wave base of 5 feet.

B = x/2 = 10ft/2 = 5 feet

Answer 2
Answer:

Answer:

A.

Step-by-step explanation:


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COLLEGE

The table shows the results of a spinner with four colored sections. Use the table to answer the question.The spinner is spun 50 more times. Which is the best prediction for the number of times the spinner will stop on white? A)5
B)10
C)25
D)40

Answers

I would have to say b because you have 4 colors and there are a total of 50 spins and each color has a possible chance of each color getting landed on 12.5 times each spin
MIDDLE SCHOOL

A triangle has angle measurements of 27 degrees, 56 degrees and 97 degrees. What kind of triangle is it? A. Acute
B. Right
C. Obtuse

Answers

The answer is obtuse which is c
MIDDLE SCHOOL

You have already read 117 pages of a book. You are one third of the way through the book. Write and solve an equation to find the number of pages in the book.

Answers

So if 117 pages equals 1/3 of the book then you have 351 pages in the book so... 1/3 x 117 = 351 or 351 / 1/3 = 117
MIDDLE SCHOOL

What is the theoretical probability of picking a diamond from a standard deck of car

Answers

Total number of cards = 52 and number of diamonds = 13
So requied probability = 13/52  = 1/4 answer

Answer:   1/4

Step-by-step explanation:

there are 4 suits in a deck of cards

HIGH SCHOOL

What is the common difference for the arithmetic sequence?

4.7, 6, 7.3, 8.6, 9.9, …

Answers

The common difference of th AP will be 1.3.

What is the formula to calculate the nth term of an Arithmetic Sequence ?
  • The formula to calculate the nth term of an Arithmetic Sequence is  aₙ = a + (n - 1)d
  • The common difference [d] can be obtained as → d = a – a₁ = a₃ – a₂ or d = aₙ – aₙ ₋ ₁
  • The Arithmetic Sequence can also be written in terms of common differences → a, a + d, a + 2d, a + 3d, a + 4d.
  • The sum of [n] terms of an Arithmetic sequence will be :

        Sₙ= n/2[2a + (n − 1) × d]

We have the arithmetic sequence as -

4.7, 6, 7.3, 8.6, 9.9, …

The common difference of th AP will be -

d = 6 - 4.7

d = 1.3

Hence, the common difference of th AP will be 1.3.

To solve more questions on Arithmetic Sequences, visit the link below-

brainly.com/question/19828148

#SPJ2

6-4.7=1.3
7.3-6=1.3
8.6-7.3=1.3
.
.
.
d=1.3
-------------------------------------------------
a1=4.7
a2=a1+(n-1)d
6=4.7+1d→d=1.3
HIGH SCHOOL

Jake earned $430 in interest on a $2500 investment after 18 months. What was the annual interest rate? (round to the nearest whole percent)

Answers

I=PRT
I=interest
P=principal=investment
R=rate in decimal
T=time in years
remember 12 months per year

given
I=430
P=2500
R=?
T=18/12 years=1.5years

430=2500 times r times 1.5
430=3750r
divide both sides by 430
0.1146666=r
11.4666%
11%
17% interest rate will give you 425 dollars 

MIDDLE SCHOOL

PLEASE ANSWER ASAP!!!!!!!!!!!!!!! The perimeter of a rectangle is at most 80 inches. The length of the rectangle is 25 inches. The inequality 80 - 2w > 50 can be used to find w, the width of the rectangle in inches. Solve the inequality and interpret the solution. How will the solution change in the width must be at least 10 inches and a whole number?

Answers

Answer:

(1). The solution of inequality is 15>w. It means the width of the rectangle is less than 15 inches.

(2) The solution set is w={10,11,12,13,14}.

Step-by-step explanation:

The given inequality is

50" alt="80-2w>50" align="absmiddle" class="latex-formula">

where, w is the width of the rectangle in inches.

Add 2w on both sides.

50+2w" alt="80-2w+2w>50+2w" align="absmiddle" class="latex-formula">

50+2w" alt="80>50+2w" align="absmiddle" class="latex-formula">

Subtract 50 from both sides.

50+2w-50" alt="80-50>50+2w-50" align="absmiddle" class="latex-formula">

2w" alt="30>2w" align="absmiddle" class="latex-formula">

Divide both sides by 2.

w" alt="\frac{30}{2}>w" align="absmiddle" class="latex-formula">

w" alt="15>w" align="absmiddle" class="latex-formula">          ... (1)

The solution of inequality is 15>w. It means the width of the rectangle is less than 15 inches.

The width must be at least 10 inches and a whole number.

          .... (2)

Using (1) and (2), we get

Therefore the solution set is w={10,11,12,13,14}.

W=15 Subtract 80 from both sides then you divide by -2w.
MIDDLE SCHOOL

Use the quadratic formula to determine the exact solutions to the equation. 2x2−5x+1=0



Enter your answers in the boxes.

x =
or x =

Answers

ANSWER

or

EXPLANATION

The given equation is:

Comparing this to

we have a=2, b=-5, c=1

The quadratic formula is given by

We substitute the values to get,

or

Answer:

15/7 or 17/4

Step-by-step explanation:

i took the quiz and got it right!

COLLEGE

Solving radical equations
check for extraneous solutions

Answers

I don’t know this question


I don't see  an extraneous value there, -7 checks out well if you plug it in the original equation, and so does 3.
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