Of the 95 people enrolled in mathematics class, 93% are present. How many are present?

Answers

Answer 1

Answer: To determine the number of students who were present in the mathematics class, multiply the total number of people enrolled by the decimal equivalent of the given percentage. That is,
present = (95) x (0.93) = 88.35
Thus, there are only 88 persons present.

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Find the perimeter and area of a rectangle of cardboard measuring 9.3 cm by 10.6 cm Perimeter: cm Area: cm2
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10x + 5x – 3 = 2(2x – 1)
Copy and complete the table for the sequence 3n-1 Term number Term 3n-1 1 2 3.

Algebra:

y= x+4
y= -x+2

Answers

to solve for the variables y and x we substitute the second equation into the first meaning that y = -x +2 you substitute y for (-x+2)
so

(-x +2) = x +4
add x to both sides
2 = 2x + 4
subtract 4 from both sides
-2 = 2x
divide by 2
-1 = x

now plug x back into the original equation

y = (-1) + 4
y = 3

and

y = -(-1) + 2
y = 1 +2
y = 3

there you have it x = -1 and y = 3

Hope this helps ;)

to solve what you need to do is
if y=x+4
and y=-x+2 so both equations have to equal the same thin so
x+4=-x+2
combine like terms and you get x=-x-2
then next equals 2x=-2
divide by 2 and last you get x=-1

2x + y = 5 , x + y = 4
Solve the system of linear equations.

Answers

2x+y=5

x+y=4

We need to solve 2x+y=5 for y

let's start by adding -2x to both sides

2x+y-2x=5-2x

y=-2x+5

Now substitute -2x+5 for y in x+y=4

x+y=4

x-2x+5=4

-x+5 =4

Add -5 to both sides so we can find the value for x

-x+5-5=4-5

-x=-1

We know that x can not stay with the negative sign so to eliminate that we need to divide both sides by -1

-x/-1= -1/-1

x=1

Now we have the value for x :)

We need to find the value for y by substitute 1 for x in y=-2x+5

y=-2x+5

y= (-2)(1)+5

y= -2+5

y= 3

Final answer : x=1 and y=3

(1,3)

I hope that's help :)

Please let me know by rating my answer and a Thanks :0

Which value of a in the exponential function below would cause the function to stretch?

Answers

Answer:

f(x)=a(1/3)x D. 1.5

Step-by-step explanation:

BRAINLIST PLEASE

a would have to be greater than 1 to get a vertical stretch

If a base is negative, how will you know whether the answer is positive or negative before evaluating it?

Answers

Whether the answer is positive or negative depends on whether the exponent is odd or even. An odd exponent results in a negative value. An even exponent results in a positive value.

Answer:

Sample Response: When evaluating a power with a negative base, the solution is positive or negative depending on whether the exponent is odd or even. If odd, the value will be negative. If even, the value will be positive.

Step-by-step explanation:

Solve 3x^2 = 6x by rewriting the equation. Show your reasoning.

Answers

Solution of the given equation $3x^(2)=6x$ is x=2 and 0

What is an equation?

An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Given,

$3x^(2) =6x$

Rewrite the equation

$3x^(2) -6x=0$

Solve the equation

$3x^(2) -6x=0\n3(x^(2) -2x)=0\nx^(2) -2x=0$

Therefore the roots are

x=2 and 0

Hence, solution of the given equation $3x^(2) =6x$ is x= 2 and 0

Learn more about equation here

brainly.com/question/10413253

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The tallest snowman everrecorded---really a snow woman named Olympia—was built by residents of Bethel,
Maine, and surrounding towns. Her body and head together made up her total
record height of 122ft. The body was 2ft longer than 14 times the height of the
head. What were the separate heights of Olympia’s head and body?

Answers

B=14H+2
B+H=122 so 14H+2+H=122 or 15H=120 or H=8 ft.
The head was 8 ft and the body 114 ft (do the difference 122-8).

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Convert to exponential equation log9 1/81= 2

From midnight to 6:00 am, the temperature rose 8 degrees C. At 6:00 am, the temperature was -20 degrees C. What was the temperature at midnight?