Mathematics College

help i brian list
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Help I Brian Listvvvv

Answers

Answer 1
I think it’s A Im not sure tho
Answer 2
The answer is C yep it is

Related Questions

Which of the following is an open sentence?

A
p is a prime number.

B
11 is an prime number.

C
12 is an prime number.

D
13 is an prime number.

Answers

A is the correct answer

Answer:

A

Step-by-step explanation:

This is because an open sentence is any statement with a variable.

Someone please help me

Answers

It’s too blurry I can’t see it
Can u repost it

what number is represented by this number discs​

Answers

Answer:

15

Step-by-step explanation:

Find the value of d such that the system of equations 15x + 10y=-11 and -9x+DT=-19

Answers

Answer:

1. 15x + 10y=-11

15x + 10y + 11=-11 + 11

15x + 10y + 11 = 0

2. -9x + DT = 19

-9x = 19 - DT

x = 19/9 + 1/9DT

x = 19/9 + 1/9DT, D∈ℝ, T∈ℝ

1 whole number 11/17-19/17 find the l.c.m​

Answers

The answer fam is......... 8/17

I know m<1 is 55 but I don’t know 2 &3. Please help.

Answers

2 is 55 and 3 is 180-150 so 30

workout the value of (10^4)^2

Answers

Answer: the answer is 100000000

Step-by-step explanation: that is that because 10 to the 4th power is 10000 times 10000 is 100000000

Answer is : 100000000

valor de x de (5x-20) 85

Answers

Answer/valor de x is x=21

Georgia is making fruit punch. She uses 650 milliliters
of grape juice, 830 milliliters of apple juice, and 520
milliliters of cherry juice. How many liters of fruit punch
does she make? (page 323 for Conversion Chart)

Answers

Answer:

2 liters

Step-by-step explanation:

650ml + 830ml + 520ml = 2000ml

2000/1000 = 2 liters

8/3+7/5a

Simplify your answer as much as possible.

Answers

Answer:

mixed number: 4 1/15

Exact: 61/15

I think the answer is 8/3 + 7a/5

Greg spent 6.4 hours working with his dad one Saturday. If his dad paid him$45.76, how much did Greg make per hour?

Answers

Answer:

$7.15

Step-by-step explanation:

The best way to solve this is by crossing out the data you don't need so you're left looking at the key pieces to put the equation together. If his dad paid him $45.76 for 6.4 hours, then all you need to do is divide 45.76 by 6.4. (Hint: Use a calculator, it makes it ten times faster than trying to write it out!)

45.76 ÷ 6.4 = 7.15

So Greg made $7.15 an hour working with his dad.

Is 1¾ a rational numbers​

Answers

Answer:

Yes 1¾ is a rational number

Step-by-step explanation:

1¾ is written as a fraction of two integer and is therefore rational.

9
1 point
What postulate or theorem justifies the congruence statement AABE – ACDE?
B
x
SSS
SAS
ASA
AAS

Answers

Answer:

okay i will answer but i dont see the question

Step-by-step explanation:

A number is at least -6

Answers

Answer:

X < -6

( put a line underneath the less than sign )

Step-by-step explanation:

Hope this helped, Have a Wonderful Day/Night!!!

2. Let f(x) = 2x2 + 2. Find each of the following:
a. f(-3)
b. f(6)
c. f(-1)
d. f(4)

Answers

A: -10
B: 26
C: -2
D: 18

When you divide 7.7 by 700, how many decimal places will the quotient have?

Answers

The answer would be 0.011 so there would be three decimal places

Suppose that 8 cards are drawn from a well-shuffled deck of 52 cards. What is the probability that all 8 are black? The probability is (Round to six decimal places as needed.)​

Answers

Answer:

0.0020760077

Step-by-step explanation:

The probability of drawing the first black card is 26/52 because there are 26 of them in a deck of 52.

The probability of drawing the second black card is 25/51 because there are 25 of them in a deck of 51.

The probability of drawing the third black card is 24/50 because there are 24 of them in a deck of 50.

And so on and so forth, now we just have to multiply the 8 fractions together:

26/52*25/51*24/50*23/49*22/48*21/47*20/46*19/45=

[tex]\frac{26}{52} *\frac{25}{51} *\frac{24}{50}* \frac{23}{49} *\frac{22}{48} *\frac{21}{47} * \frac{20}{46} * \frac{19}{45}[/tex]= 0.0020760077

Juan's book has 248 pages this is 10 more pages than there are in Kevin's book how many pages are in Kevin's book

Answers

Answer:

238

Step-by-step explanation:

juans has 10 more than kevin's, so you just subtract 10 from 248, getting 238

A parabola can be drawn given a focus of (5, -7) and a directrix of x=1. Write the equation of the parabola in any form.

Answers

Answer:

x = 1/8(y^2 + 14y + 73)

Step-by-step explanation:

Take any point on the curve (x, y). This is a parabola that opens to the right and contains  terms in x and y^2.

The distance of this point from the focus = its distance from the directrix, so:

sqrt [( x - 5)^2 + (y + 7)^2) = (x - 1)

Squaring both sides:

(x - 5)^2 + (y + 7)^2 = (x - 1)^2

x^2 -10x + 25 + y^2 + 14y + 49 = x^2 - 2x + 1

y^2 + 14y + 73 = 8x

x = 1/8(y^2 + 14y + 73)

Solve four ninths minus four tenths equals blank.

Help Me ASAP

Answers

The answer is 2/45.......

Answer:

4/9

Step-by-step explanation:

which is the equation of this best line of fit?

Answers

Answer:

D) y = 5x + 25

Step-by-step explanation:

the line of fit is defined by y = mx + b where:

m = the slope of the line (the rate of change)

b = the y-intercept (where it crosses the y-axis)

We see that for every 1 unit the graph moves horizontally... it moves 5 units vertically, thus we are given m = 5

If you look at the y-axis... we can determine that the graph crosses the y-axis at (0, 25), thus we are given b = 25

Therefore, the answer is y = 5x + 25

First person to answer this gets brainllest
{15 x 17 x 45} + {76 x 54} = _____

Answers

Answer:

15579

Step-by-step explanation:

That's the answer I got it right in a test

Seven and nine thousands in decimal form

Answers

7.009 for sure

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Factor the expression 42a+14b using the gcf
Please figure this out quickly

Answers

If you are trying to factor it is 14(3a+b).

But if you are looking for the greatest common factor it is 14.

The GCF of  42a + 14b is 14 which is 14(3a + b).

What is GCF?

GCF stands for the greatest common factor of two or more two given terms. A number is GCF of two or more than two terms is the highest term that divides the given terms completely.

Given,  42a + 14b and we have to factor this with a GCF.

In terms of variables a and b, there is no common factor.

In terms of 14 and 42 GCF is 14 as 14 is the highest no. that divides these two nos. completely.

So, 42a + 14b.

= 14(3a + b).

learn more about GCF here :

https://brainly.com/question/11444998

#SPJ2

-4 2/7 divided by 1 1/3 =

Answers

Answer: hmm..... –3 3/14

Step-by-step explanation:

Noah has a coupon for 30% off at his favorite clothing
store. He uses it to buy a hoodie and a pair of jeans.
The regular price of a hoodie is $27. What did Noah
pay for the hoodie?

Answers

Answer:

18.9 i think

Step-by-step explanation:

Answer: $11.04

Step-by-step explanation:

30% of 28 would be 11.4 but then convert it to money

Can some one help me find x?

Answers

Answer:

x = 20

Step-by-step explanation:

Exterior angles are equal.

7x - 3 = 6x + 17

Add 3 and subtract 6x to both sides.

x = 20 is the answer.

answer: x=20


...........................

In a fourth grade class, four-sixths of the students are girls. If there are 20 girls, what is the total number of
students in the class?
students

Answers

Answer:

30 students.

Step-by-step explanation:

Since 20 girls make up 4/6 of the class, 1/6 of the class would be 5 students. 5*6=30, resulting in 30 students total.

An item that cost $220 has been marked up by 15% since last year. However, a person can buy the item for a 25%
employee discount. How much will the employee pay?

Answers

Answer:189.75

Step-by-step explanation: 220 * 0.15 = 33

220 + 33 = 253

253 * 0.25 = 63.25

253 - 63.25 = 189.75

What are the values of a and b?

Answers

Step-by-step explanation:

c.....................

Answer:

A

Step-by-step explanation:

Both triangles are similar triangles!

Length 21 for the top triangle is similar to length 20 for the bottom triangle

Length 29 for the top is similar to b on the bottom.

Length 20 for the top is similar to a on the bottom.

Use the first ratio: 21/20 to find the proportionality constant.

Divide 29 by that constant to get b

Divide 20 by that constant to get a

You end up with b = 580/21 (= 27.61), and a = 400/21 (= 19.047)

Therefore A is the right answer.

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