Ahmed wrote two numbers the first number has a seven and it’s tenths place the second number has a seven with a value that is 1000 times greater than the value of the seven in the first in which place is a seven and the second number

◈ Area of square room :

[tex]:\implies\sf\:A_s=(side)^2[/tex]

[tex]:\implies\sf\:A_s=(12)^2[/tex]

[tex]:\implies\bf\:A_s=144\:m^2[/tex]

◈ Area of triangular carpet :

[tex]:\implies\sf\:A_t=\dfrac{1}{2}\times base\times perpendicular[/tex]

[tex]:\implies\sf\:A_t=\dfrac{1}{2}\times 10\times 8[/tex]

[tex]\:\implies\sf\:A_t=\dfrac{1}{2}\times 80[/tex]

[tex]:\implies\bf\:A_t=40\:m^2[/tex]

◈ Uncovered area of room :

[tex]:\implies\sf\:\Delta A=A_s-A_t[/tex]

[tex]:\implies\sf\:\Delta A=144-40[/tex]

[tex]:\implies\:\boxed{\bf{\blue{\Delta A=104\:m^2}}}[/tex]

Answer:

Step-by-step explanation:

Suppose pieces of chocolate pie served at a restaurant average 350 calories with a standard deviation of 20 calories. Calories have a Normal distribution due to inexact cutting of the pies. Which graph represents the proportion of pieces of pie that have more than 375 calories.

Answer: The z score is used to determine how many standard deviations that the raw score is above or below the mean. If the z score is positive then the raw score is above the mean and for a negative z score means the  raw score is below the mean. The z score is given as:

[tex]z=\frac{x-\mu}{\sigma}[/tex]

Given that: μ = 350 calories, σ = 20 calories, x > 375

[tex]z=\frac{x-\mu}{\sigma}\\\\z=\frac{375-350}{20}=1.25[/tex]

From the graph, The shaded area represents the proportion of pieces of pie that have more than 375 calories

From the normal distribution table, P(x > 375) = P(z > 1.25) = 1 - P(z < 1.25)

= 1 - 0.8944 = 0.1056 = 10.56%

Answer:

26 hours

Step-by-step explanation:

speed = distance/time

s = d/t

st = d

t = d/s

t = (13 km)/(0.5 km/h)

t = 26 h

Answer: 26 hours

Answer:

232 quarts

Step-by-step explanation:

58 quarts per 15 minutes, so 15 minutes x4 is an hour, so you would also do 58x4 which gets your answer of 232 quarts

Hope this helped :)

Answer:

the magnitude of a real number without regard to its sign.

Step-by-step explanation:

Answer:

[tex]6(4 + 3)[/tex]

Step-by-step explanation:

Given

Pencils = 4

Glue = 3

Required

Distribute these to 6 tables

Represent the pencils with P and Glue with G

The distribution to 6 tables will be:

[tex]6P + 6G[/tex]

Apply distributive property

[tex]6(P + G)[/tex]

Substitute values for P and G

[tex]6(4 + 3)[/tex]

Hence, the first option answers the question

Answer:

1) 16.8ft

2) 32.2ft

3) 50.9cm

4) 14.4m

(all answers rounded off to the nearest tenth)

Step-by-step explanation:

Please see attached pictures for the full solution.

Answer:

23

Step-by-step explanation:

just trust me

Answer:

3/4

Step-by-step explanation:

you got to find the half of the number

Answer:

15

Step-by-step explanation:

PEMDAS

7-5+14/2+6

14/2=7

7-5=2

6=6

7+2+6=15

[tex]\text {Hello! To answer this question you must...}[/tex]

[tex]\text {Subtract:}[/tex]

[tex]\text {7-5=2}[/tex]

[tex]\text {Divide:}[/tex]

[tex]\text {14/2=7}[/tex]

[tex]\text { Your new equation should be 2+7+6}[/tex]

[tex]\text {Now for the final step you add}[/tex]

[tex]\text {2+7+6=}[/tex]

[tex]\fbox {15}[/tex]

[tex]\text {Bext of Luck!}[/tex]

[tex]\text {-LimitedX}[/tex]

Answer:

7

Step-by-step explanation:

Just put the numbers in order the find the number in the middle in the case that there are to numbers add the together then divide by 2

Answer:

593

Step-by-step explanation:

when you are subtracting a negative it is the same as adding

Answer:

yes

Step-by-step explanation:

Answer:

(1 , -1)

Step-by-step explanation:

7( 1 ) - 3( -1 ) = 10

7 - - 3 = 10

7 + 3 = 10

10 = 10

true

Answer:

y=4 - [tex]\frac{2x}{3}[/tex]

Step-by-step explanation:

The value of y for 2x + 3y = 12 is (12 - 2x) / 3.

Given,

2x + 3y = 12

We will solve for y.

We will keep the like terms on one side of the equation and solve for the required variable.

Example: x + 2x + y = 3 + 2y

Solve for y:

x + 2x + y = 3 + 2y

3x = 3 + 2y - y

3x - 3 = y

3(x - 1) = y

y = 3(x - 1) is our answer.

Solve 2x + 3y = 12 for y.

We have,

2x + 3y = 12

Keep y on one side of the equation.

3y = 12 - 2x

Divide both sides by 3.

y = (12 - 2x) / 3

Thus the value of y for 2x + 3y = 12 is (12 - 2x) / 3.

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Answer:

10

Step-by-step explanation:

In this problem we need to round off 8.546 to the nearest tens. 8 is in ones place, 5 is in tenths place, 4 is in hundredths place and 6 is in thousandth place.

8 falls between 5 and 10 on the number line. It is less than 5 and more than 10. When it is rounded off to nearest tens it can be given by 10.

Answer:

40

Step-by-step explanation:

h(x)= 4(x + 6)

Let x=4

h(4)= 4(4 + 6)

     = 4(10)

    = 40

Answer:

D

Step-by-step explanation:

So we have the function:

[tex]h(x)=4(x+6)[/tex]

To find h(4), substitute 4 for x. Thus:

[tex]h(4)=4(4+6)[/tex]

Add within the parentheses:

[tex]h(4)=4(10)[/tex]

Multiply:

[tex]h(4)=40[/tex]

The answer is D.

And we're done!

Answer:

Take a look at the 'proof' below

Step-by-step explanation:

The graph of the function g(x) is similar to that of the function f(t). The local minimum, local maximum, absolute minimum, maximum etc... of 'x' is always the closest x-intercept of the graph of f(t).

Let's check if this statement is right. The two local minimum(s) of the function f(t) occurs at x = 2, and x = 6. The two local maximum(s) occur at 1/4 and 4. As you can see the maximum / minimum of the function g(x) is always an x-intercept, x = 3, x = 7.

For part (b) the absolute maximum value of the function f(t), is 8. The closest x-intercept is 9, which is our solution.

Step-by-step explanation:

From x=0 to x=1, the function is above the x-axis, so the area is positive.

From x=1 to x=5, the area above the x-axis is greater than the area below the x-axis, so the net area is positive.

From x=5 to x=9, the area above the x-axis is greater than the area below the x-axis, so the net area is positive.

Since the area increases in each interval, the area is a maximum at x=9.

Answer:

16 + (–7) + 22 + (–12)

Hope this helped!!!

Answer:

a) -7 & b) -6

Step-by-step explanation:

Here,

a) x = 0

Solution ↦

[tex]x2 - 3x - 7 \\ = 0 \times 2 - 3 \times 0 - 7 \\ = - 7[/tex]

b) x = -1

Solution ↦

[tex]x2 - 3x - 7 \\ = - 1 \times 2 - 3 \times ( - 1) - 7 \\ = - 2 + 3 - 7 \\ = - 9 + 3 \\ = - 6[/tex]

Answer:

Fractions:

a. 1/4

b. 1 and a half

c. 2/3

Percentages:

a. 25%

b. 50% unsure abt this one

c. 66.67%

Step-by-step explanation:

Answer:

$712.80

Step-by-step explanation:

648×0.10=64.8

648+64.8=712.8

The total amount paid for the refrigerator is $712.8.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Sale price = $648

Sales tax = 0.10 times the price

The total amount paid.

= 648 + 0.10 x 648

= 648 + 64.8

= 712.8

Thus,

The total amount paid is $712.8.

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Answer:

The circumference is 24.69 in.

The area is 48.52 in.

Step-by-step explanation:

So, Cf=2π(3.93)=24.69in

So, A=π(3.93)^2=48.52in

Answer:

C

Step-by-step explanation:

i have the same question i found it on quizzes

Answer:

3.048 meters

Hope this helps

An expression is defined as a set of numbers, variables, and mathematical operations. The value of the expression when simplified is equal to 2.3684.

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

As per the PEMDAS, we will first solve the parenthesis. Since the round parenthesis is solved first, therefore, we can write,

90 ÷ [10 + ( 32 − 4 )]

= 90 ÷ [10 + (28)]

= 90 ÷ [10 + 28]

Solving the next parenthesis, therefore, the square brackets,

= 90 ÷ [10 + 28]

=  90 ÷ 38

At last, we will solve the division, therefore, we can write,

= 90 ÷ 38

= 2.3684

Hence, the value of the expression when simplified is equal to 2.3684.

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Answer:

for each letter 1 /26 is the probability

Step-by-step explanation:

probability = no. of events / no. of outcome

probability for tile A

                  = no. of events / no. of outcome

                  = 1 / 26

probability for tile B

                  = no. of events / no. of outcome

                  = 1 / 26

probability for tile C

                  = no. of events / no. of outcome

                  = 1 / 26

Answer:

g

Step-by-step explanation:

Answer:

point g is the answer

Step-by-step explanation:

Answer:

C.  81÷3

Step-by-step explanation:

We want to write a numerical expression for the phrase: "the quotient of 81 and 3"

Quotient indicates division, so we must divide 81 by 3.

81÷3

This can be further simplified, but the questions asks for a numerical expression. This is defined as an expression with numbers and at least one operation. So, B is correct, because 81 divided by 3 is 27, but it is not a numerical expression.

Therefore, the best answer choice is C.  81÷3

Answer:

18/30 simplified is 3/5

Step-by-step explanation: