MATHEMATICS HIGH SCHOOL

Angela scored 15 points less than twice the lowest score on a math test. If her score was95, what was the lowest score on the test?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

To find the lowest score on the math test, we can set up an equation based on the information given.

Let's denote the lowest score as "x".

According to the information given, Angela scored 15 points less than twice the lowest score.

Twice the lowest score is 2x, and Angela's score is 15 points less than that, so her score can be represented as 2x - 15.

Given that Angela's score is 95, we can set up the equation: 2x - 15 = 95

To solve for x, we can add 15 to both sides of the equation: 2x - 15 + 15 = 95 + 15

Simplifying, we have: 2x = 110

Finally, we can divide both sides of the equation by 2 to isolate x: 2x/2 = 110/2

Simplifying further, we get: x = 55

Therefore, the lowest score on the math test was 55.

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Find the common difference of the arithmetic sequence shown.1/4, 3/8, 1/21. 1/162. 1/83. 1/4
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Is 1/5 bigger or smaller than 1/6
Solve each equation by taking square roots -3x^2=-105

The equation of line c is y=-4/3-4 Line d includes the point (4,-4) and is perpendicular to line c . what is the equation of line d?

Answers

Assuming that you mean that the equation of line c is

$y=-(4)/(3)x-4$

We can deduce that the slope of line c is

$m_c=-(4)/(3)$

since the slope is the coefficient multiplying x in the equation of a line. Since we want line d to be perpendicular to line c, their slope must be in the following relationship:

$m_cm_d=-1 \iff m_d=-(1)/(m_c)=-(1)/(-(4)/(3))=(3)/(4)$

So, line d has slope 3/4 and passes through point (4,-4). Use the equation

$y-y_0=m_d(x-x_0)$

to find the equation of line d, where

$x_0=4,\quad y_0=-4,\quad m_d=(3)/(4)$

Of all the species in the world 4, out of every 5 are insects. What percentage of species are insects

Answers

If 4/5 are insects, 8/10, or .8, of the species are insects. To find a percentage, multiply by 100 to find that 80% of the species are insects.

Answer:

80%

Step-by-step explanation:

khan academy lol

A shape is made of 12 right triangles of equal size. Each right triangle has a base of 4 cm and a height of 5 cm. What is the total area, in square centimeters, of the shape?

Answers

Answer:

The total area of the shape is $120\ cm^(2)$

Step-by-step explanation:

step 1

Find the area of one right triangle

The area of a triangle is equal to

$A=(1)/(2)(b)(h)$

we have

$b=4\ cm$

$h=5\ cm$

substitute

$A=(1)/(2)(4)(5)=10\ cm^(2)$

step 2

To find the total area of the shape multiply the area of one triangle by 12

$A=12(10)=120\ cm^(2)$

Answer:

120 cm

Step-by-step explanation

What is the equation of the graph that represents the parent function f(x^4) stretched vertically by a factor of 2, and then shifted up 3 spaces.A) g(x)= 2x^4+3

B) g(x)= 2(x^4+3)

C) g(x)= 2(x+3)^4

D) g(x)= 2x^4-3

Answers

The required transformed graph of parent graph f(x^4) is $2x^4+3$

The correct option is (A)

Transformation on Graph:

If we have a original graph of the function f (x) then

Vertical transformation by a unit = a f(x)

Horizontal compression by a unit = f(ax)

Vertical translation up a units = f(x) + a

How to find transformed graph?

Here we have given original function is f(x^4)

If the graph stretched vertically by 2 unit then transformed graph is

=2 $f(x^4)$

Also we have given the graph is shifted up 3 units

Therefore the graph will be = $2f(x^4)+3$

The correct option is (A)

This is the conclusion to the answer.

Learn about transformation of the graph here-

brainly.com/question/4289712

#SPJ2

Answer:

Yep A is the answer

Step-by-step explanation:

How many sixths are there in 11?

Answers

You can just easily mulltiply six (because $(1)/(6)$ ) by 11.

There are 66 sixths in 11.

Answer:

Step-by-step explanation:

11x6=66

hope it helped

a snail moves at a speed of 2.394 inches per minute . If the snail keeps moving at this rate, about how many inches will it travel in 7.489

Answers

2.394 inches per minute x 7.489 minutes = 17.928666 inches.

So, about 18 inches.

$(2.394in)/(1min) * (7.489min)/(1) = 17.928666in$

Or 17.93in with significant digits.

To break it down, you can set up your information as a fraction (which I did for the first fraction.) Then you want your units to cancel out, so I put the 7.489 minutes on the top of the next fraction and multiplied them. The min canceled out and left me with in, so I know I had the correct answer.

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