Is x = 3 a solution to the equation 8= 2x + 3

yes or no

Answer:

4.8

Step-by-step explanation:

Firstly, you take the ratio 12d/30t(d=dollars, t=tokens). And you switch it to (unknown)d/30t. And if you execute the formula(12 * 12 / 30) you get 4.8.

hope i helped

Answer:

2

Step-by-step explanation:

the mode is the one that appears the most, most common one

Answer:

2

Step-by-step explanation:

mode means the most common number in the set.

I hope this helps....

Complete Question

The complete question is shown on the first uploaded image

Answer:

The correct option is  C

Step-by-step explanation:

From the question we are told that

  The population mean is p =  64

  The sample size is  n =  56

   The sample mean is  [tex]\=  x  =  64.79[/tex]

  The standard deviation is  [tex]s = 2.77[/tex]

    The null hypothesis is  [tex]H_o :  \mu =  64[/tex]

    The alternative hypothesis is  [tex]H_a :  \mu > 64[/tex]

    The test statistics [tex]t =  2.13[/tex]

    The level of significance is  [tex]\alpha  = 0.05[/tex]

    The p-value  is  [tex]0.01 <  p-value <  0.025[/tex]

Given that the  [tex]p-value  <  \alpha[/tex] we reject the null hypothesis

Willy can cover in 1L paint

[tex]\\ \rm\rightarrowtail \dfrac{13.5}{3}=4.5m^2[/tex]

Can cover in 10L

[tex]\\ \rm\rightarrowtail 4.5(10)=45m^2[/tex]

Second one should be filled with 45

Answer:

4.5 : 1

45 : 10

Step-by-step explanation:

Given ratio:  13.5 : 3

To calculate equivalent ratios, we need to do the same operation to both sides of the ratio.

To reduce 3 L of paint to 1 L of paint, we need to divide by 3.

Therefore, we should also divide 13.5 by 3:

13.5 ÷ 3 : 3 ÷ 3

= 4.5 : 1

To increase 1 L of paint to 10 L of paint, we need to multiply by 10:

4.5 × 10 : 1 × 10

= 45 : 10

Answer:

C. 72

Step-by-step explanation:

The whole angle measures 106 degrees as mentioned on top and we know that angle HFG is 34 degrees because it says so in that angle. Just do this: 106-34. The answer is 72. We subtract because we're finding the remaining/missing number in this problem. If you want to check if your answer is correct, you can add 72 and 34.

Another way you could do this is by just adding each option with 34 to see if you get a total of 106.

Answer: x=7

Step-by-step explanation:

Answer:

Vertex: (-1,7)

Equation of the axis of symmetry: x = -1

y-intercept: (0, 5)

Step-by-step explanation:

I will assume that the function is quadratic where it is supposed to be y = -2x² - 4x + 5.

The standard form of quadratic functions can be written as

y = ax² + bx + c

To find the vertex of this function, we need the axis of symmetry (aos).

aos = - b/2a

      = - ( -4/-4)

      = - 1

Axis of symmetry: x = -1

For the vertex, simply plug in the aos into the function.

f(x) = -2x² - 4x + 5

f(-1) = -2(-1)² -4(-1) + 5

     = -2 + 4 + 5

     = 7

Vertex: (-1, 7)

Now the y-intercept is the easiest part, since the function is written in standard form. When it is, the y-intercept is always (0, c), which in this case is (0, 5).

y-intercept: (0,5)

Answer:

[tex]1. \frac{4}{3}[/tex]

[tex]2.\frac{1}{3}[/tex]

Step-by-step explanation:

To find the scale factors, you find the length of one side from the image, and divide it by the length of the similar side in the image.

So, for #1, the image side is 8 units, and the pre-image is 6.

8/6 = 4/3

For #2, the image is  3 units, and the pre-image is 9 units.

3/9 = 1/3

The measurements that will be dragged into the box is 1.4 feet, 1.31 feet, 1.44 feet.

The rest of the measurement wouldn't be within the bounds and thus will not be dragged in.

A'=(10,2)

B'=(8,-4)

C'=(4,-2)

To rotate a point 90° clockwise about the origin,

The new coordinates become (y,-x)

So the first one was A(-2,10)

x=-2 & y=10

The new coordinates become A'(y,-x)

So y=10 and -x=-(-2)=2

A'(10,2)

Answer:

A' =(2,4)

B'=(8,2)

C′=(6,-2)

Answer:

80%

Step-by-step explanation:

GIven:

You earned 24 out of 30 on your math test. What was your percentage of correct answers on the test?

Solve:

 24/30 x 100

0.8 x 100

80%

Hence, the percentage of correct answers on the test.

~Lenvy~

Answer:

A

Step-by-step explanation:

y = 25 is a zero slope function and is also not in the form of y=mx+b, unlike the others.

Answer:

5,700,000 miles

Step-by-step explanation:

[tex](1.9*10^{5})*30\\ \\190,000*30\\\\=5,700,000[/tex]

Answer:

ight combine like terms so you get x-13=-5 then you add 13 which gives you x=8

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

because 8-3-10 is equal to -5

Answer:

y = 5

x = 0

Step-by-step explanation:

soo i think elimination was this:

    so first lets make -x = 3x

so we multiply -3 to the whole equation

3x + 3y = 15

now we eliminate (i think this is elimination)

    3x + 5y = 25

   -

    3x + 3y = 15

----------------------------

     0 + 2y = 10

2y = 10

y = 5

now substitute to one of the original equations

3x + 5(5) = 25

3x + 25 = 25

3x = 0

x = 0

now lets check

-0 -5 = -5?

-5 = -5

Answer:

16 gallons

Step-by-step explanation:

Since 4 quarts is equal to a gallon, you should divide 64 quarts by 4 to get 16 gallons

Answer:

Containing in one gallon, there is 4 quarts.

I like to order my units preferably so I can understand better;

QUARTS           4     (x16)   64

________ = ______ = ______ so x = 16

GALLONS          1     (x16)     x

Answer:

Answer:

CENTER :(2,-6)

RADIUS: 6

FOLLOW ME❤️✨FOR M0RE QUESTION

THAT YOU WHAT ME TO ANSWER

Step-by-step explanation:

Hey there!

Given;

[tex] {x}^{2} + {y}^{2} - 4x + 12y = \: - 4[/tex]

Now, Try to make it a perfect square.

[tex] {x}^{2} - 4x + {(2)}^{2} - ( { 2)}^{2} + {y}^{2} + 12y + ( {6)}^{2} - ( {6)}^{2} = - 4 [/tex]

Make perfect square and shift -(2)^2 and -(6)^2 on right side.

[tex]( {x - 2)}^{2} ( {y + 6)}^{2} = - 4 + 40[/tex]

[tex]( {x - 2)}^{2} ( {y + 6)}^{2} = 36[/tex]

Comparing the equation with (x-h)^2(y-h)^2= r^2.

We get,

Centre (h,k)= (2,-6)

Radius (r) = 6

Hope it helps...

Answer:

25

Step-by-step explanation:

Since y= 60 when x=240 it would be 0.25 and 0.25 x100 would be 25

Answer:

9514 1404 393

Answer:

[ 0 -3 4 ]

[ 0 -7 1 ]

Step-by-step explanation:

Reflection over the line y=-x swaps the coefficients and negates both of them.

 (x, y) ⇒ (-y, -x)

Dont take my word for it ...

Answer: 0 3 4

0 -7 1

Step-by-step explanation:

Answer:

every other roll should make u lose $3

Answer:

X=4

Step-by-step explanation:

2(4)-1=7

8-1=7

7=7

Answer:

1. A.

2. B.

3. C.

4. A.

Hope this helped!

Answer:

C

Step-by-step explanation:

it’s just unnatural for a wild animal to give a speech. The security of ignorance is when humans are uncomfortable with it.

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!

Answer:4.5

Step-by-step explanation:

Answer:

Absolute value means any value but always positive. So |-4.5|=4.5

20000

[tex](4000-2000)\div10\ percent[/tex]

Calculate

[tex]\frac{4000-2000}{0.1}[/tex]

Calculate the sum or difference

[tex]\frac{2000}{0.1}[/tex]

Multiply both the numerator and denominator with the same integer

[tex]\frac{20000}{1}[/tex]

Any fraction with a denominator of 1 is equal to its numerator

[tex]20000[/tex]

I hope this helps you

:)

Step-by-step explanation:

his salary =$2000

his commission should be (to make a total of $4000/month )=$4000-$2000 =$2000

let he should sell x amount over $7000 to get $2000 commission

So,   7% of x = 2000

             7x/100 = 2000

               x= (2000*100)/7 =28571.43 approx

As he will get commission on sales over $ 7000,so his should sell in a month

                             =$7000+$28571.43

                             = $ 35571.43

No fixed entry fee

If no of persons be x

The expression is

Verification:-

Hence verified

Answer:

Let f be the number of friends

Let c be the cost of the party

As (f) is the independent variable, the number of friends will be along the x-axis.

As (c) is the dependent variable, the cost of the party will be along the y-axis.

If the cost of the party is $20 per person, then the equation to represent the relationship is:

c = 20 f

**see attached graph complete with plotted points**

Answer:

Page 44? you mean

Step-by-step explanation:

Answer:

24

Step-by-step explanation:

i just took the test