MATHEMATICS HIGH SCHOOL

How can x + 8 = -x + 7 be set up as a system of equations? y = x + 8
y = -x + 7
y = x + 8
y = -3x + 7
y = x + 5
y = -2x + 11
y = 8
y = -3x + 7

Answers

Answer 1
Answer: The first answer choice is correct

separate x + 8 and -x + 7 and set them both to equal y

y = x + 8 ; y = -x + 7
Answer 2
Answer:

Answer:

The answer is y = x + 8

                       y = -x + 7

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25mi/hr=_______m/min

Answers

I came up with 0.42 miles per minute when I rounded. Without rounding I got 0.41666667

Solve 3x2 + 2x + 7 = 0. Round solutions to the nearest hundredth.(A)x ≈ −1.90 and x ≈ 1.23
(B)x ≈ −1.23 and x ≈ 1.90
(C)x ≈ −0.44 and x ≈ −3.56
(D)No real solutions

Answers

It is d  work shown in the picture

Solve for X in 5x/10=2

Answers

5x=2*10
5x=20
x=20/5
x=4
Given Equation: 5x/10 = 2.
Steps:

Step 1: Multiply both sides of the equation by the L.C.M of the numerators of both sides of the equation ( 10 and 1). L.C.M is 10

(5x/10).10 = 2x10

5x = 20

Step 2: Divide both sides by the co-efficient of x i.e.5

(5x)/5 = 20/5

x = 4

I hope this helps

Find the exponential function that satisfies the given conditions: Initial value = 31, increasing at a rate of 10% per year f(t) = 10 ⋅ 1.1t
f(t) = 31 ⋅ 1.1t
f(t) = 31 ⋅ 0.1t
f(t) = 31 ⋅ 10t

Answers

Option 2: f(t) = 31.(1.1)^t is the correct answer.

Step-by-step explanation:

Let t be the independent variable time and f(t) be the function that will be used to represent the exponential growth

The general form of an exponential function is given by:

y = a(1+r)^t

Here

a is the initial value of the function while r is the growth rate

and t is the number of years

Given

Initial value = 31

Growth rate = 10% per year

We have to convert the growth rate in decimal

So,

r = (10)/(100) = 0.1

Putting the values in the general form

f(t) = 31 . (1+0.1)^t\nf(t) = 31 . (1.1)^t

Hence,

Option 2: f(t) = 31.(1.1)^t is the correct answer.

Keywords: Functions, exponential functions

Learn more about functions at:

#LearnwithBrainly

Soni has 196 pencils. If she puts equal amounts of pencils into eight boxes, she has four pencils left. How many pencils does she put in each box?

Answers

Soni can put 24 pencils can be put into each box with four pencils remaining.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

The best way to find this out is to find the total number, minus the remained.

In this case,

196 - 4 = 192.

As We have got to put the pencils into 8 boxes, we have to divide 192 by 8,

192 / 8 = 24.

Also, If x represents the number of pencils per box, the equation

8x + 4 = 196.

Therefore, Soni can put 24 pencils can be put into each box with four pencils remaining.

Learn more about the unitary method;

brainly.com/question/23423168

#SPJ2

Answer:

D) If x represents the number of pencils per box, solve the equation 8x + 4 = 196.

Step-by-step explanation:

Edg 2021

Determine whether the first number is divisible by the second number 120;3 (yes or no)

Answers


Yes.

Here's a trick that works with 'divisible by 3' :

-- Take the original number . . . . . 120

-- Add up its digits . . . . . . 1 + 2 + 0  =  3

-- If the sum of the digits is divisible by 3, then the big number is too.

                                   3 is divisible by 3, so 120 is too.
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