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2 years ago

Help me please thanks

Mathematics

1 answer:

Vilka [71]2 years ago

5 0

The answer is

2x - 3 + 15 / 5x + 1
A is the answer

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in order to encourage students to show up early to a school dance , the dance comittee decides to charge less for those who come

nadya68 [22]

It would be $2.25 if each student pays one more penny than the last one the penny count would be up to 150 pennies times the number of student which is 150 so multiply and add your decimal

7 0

2 years ago

A curve is given by y=(x-a)√(x-b) for x≥b, where a and b are constants, cuts the x axis at A where x=b+1. Show that the gradient

ankoles [38]

<u>Answer:</u>

A curve is given by y=(x-a)√(x-b) for x≥b. The gradient of the curve at A is 1.

<u>Solution:</u>

We need to show that the gradient of the curve at A is 1

Here given that ,

$y=(x-a) \sqrt{(x-b)}$ --- equation 1

Also, according to question at point A (b+1,0)

So curve at point A will, put the value of x and y

$0=(b+1-a) \sqrt{(b+1-b)}$

0=b+1-c --- equation 2

According to multiple rule of Differentiation,

$y^{\prime}=u^{\prime} y+y^{\prime} u$

so, we get

${u}^{\prime}=1$

$v^{\prime}=\frac{1}{2} \sqrt{(x-b)}$

$y^{\prime}=1 \times \sqrt{(x-b)}+(x-a) \times \frac{1}{2} \sqrt{(x-b)}$

By putting value of point A and putting value of eq 2 we get

$y^{\prime}=\sqrt{(b+1-b)}+(b+1-a) \times \frac{1}{2} \sqrt{(b+1-b)}$

$y^{\prime}=\frac{d y}{d x}=1$

Hence proved that the gradient of the curve at A is 1.

7 0

2 years ago

A radio station sells buttons and bumper stickers at a local fair. The buttons cost $2.95 each, and the bumper stickers cost $3.

MA_775_DIABLO [31]

you question isn't quite clear.....

3 0

2 years ago

In the context of the passage, which "expression of art"

Ainat [17]

According to the given passage the most appropriate option is: C.

A single text produced by a previously unknown society.

<h3>Explanation:</h3>

In light of this passage's excerpt, we can infer that it would be most challenging to interpret a piece of art for which we have no context—that is, no understanding of its language, history, inflection, or society and culture.

<h3>The definition of a single text:</h3>

A single document that ties together the frequently disparate interests of parties involved in a conflict is used in a single-text negotiating strategy, a type of mediation.

<h3>What exactly is a paragraph?</h3>

1. A paragraph with only one brief sentence that clearly states the main idea.

2. A paragraph that consists of a single lengthy sentence that could support three, four, or five sentences.

To know more about single text visit:

brainly.com/question/9771578

#SPJ4

3 0

1 year ago

Help me plsssssssssssssssssssssssssss

Margarita [4]

number 7 is as follows Answer: C18.9

Step-by-step explanation:

The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. so (5.65x2)+(3.8x2)=18.9 cm

5 0

2 years ago

Read 2 more answers