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3 years ago

The latest online craze is a new game, Khan on Seven. You get

Mathematics

1 answer:

aniked [119]3 years ago

3 0

Answer:

The required inequality is $50w+100\geq 18000$

Step-by-step explanation:

Consider the provided information.

You get 100 points for playing the game. In addition, you get 50 points for each seven-letter word you make with the ten letters you receive.

Let w represents a seven letter word which Sal will need to make to break the record.

She gets 100 points for playing the game and 50 points for each seven-letter

Therefore the total points earned is: $50w+100$

Sal wants to break the record, and she needs 18,000 points or more.

Thus, the required inequality will be: $50w+100\geq 18000$

Hence, the required inequality is $50w+100\geq 18000$

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I NEED URGENT ASSISTANCE

Nata [24]

Answer:

8 C sometimes

9 64x^8 y^11

10 c 1.28r^2/ t^9

Step-by-step explanation:

Algebraic Operations

Some basic rules must be fresh in our minds when trying to simplify complex algebraic expressions. For example, the power rule respect to the product or quotient:

$\displaystyle \left(\frac{x^n.y^m}{z^p}\right)^q= \frac{x^{qn}.y^{qm}}{z^{qp}}$

$\displaystyle \frac{x^n.x^q}{x^p}= x^{n+q-p}$

$\displaystyle x^{-n}=\frac{1}{x^n}$

Let's face the questions at hand

8. A number is raised to a negative exponent is negative?

Following the expressions recalled above, let's pick the expression

$\displaystyle 3^{-2}=\frac{1}{3^2}=\frac{1}{9}$

This is a negative power resulting in a positive number

Now we pick

$\displaystyle (-2)^{-3}=\frac{1}{(-2)^3}=-\frac{1}{8}$

This time, the negative power leads to a negative result, so it doesn't matter the sign of exponent to determine the sign of the result

Answer: C sometimes

9 simplify(4xy^2)^3(xy)^5

$(4xy^2)^3(xy)^5=4^3x^3(y^2)^3x^5y^5$

$=64x^3y^6x^5y^5$

$=64x^8y^{11}$

10 simplify(2t^-3)^3(0.4r)^2

$(2t^{-3})^3(0.4r)^2=2^3(t^{-3})^30.4^2r^2$

$=8t^{-9} 0.16 r^2$

$=1.28t^{-9} r^2$

$\displaystyle \frac{1.28 r^2}{t^9}$

7 0

3 years ago

PLEASE HELP !! ILL GIVE BRAINLIEST !!

kiruha [24]

Answer:the first one opn and qps

Step-by-step explanation:

8 0

2 years ago

Simplify 3r+n2-r+5-2n+2

Ksenya-84 [330]

2r+7+2n+n2

Because I combined the ones with like terms.

8 0

3 years ago

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How do you simplify 15/40

Katyanochek1 [597]

Answer:3/8

Step-by-step explanation:

The simplest form of

15 /40 is 3 /8 .

Steps to simplifying fractions

Find the GCD (or HCF) of numerator and denominator

GCD of 15 and 40 is 5

Divide both the numerator and denominator by the GCD

15 ÷ 5

40 ÷ 5

Reduced fraction:

3 /8

Therefore, 15/40 simplified to lowest terms is 3/8.

3 0

2 years ago

A wedding planner uses 72 ivy stems for 18 centerpieces when she arrives at the venue she realizes she will only need 16 centerp

beks73 [17]

Answer:

64 ivy stems

Step-by-step explanation:

To solve this problem we can use rule of three:

Firstly we had 72 ivy stems to use in 18 centerpieces, and know we have 16 centerpieces and want to know how many ivy stems we need to use, so:

18 centerpieces -> 72 ivy stems

16 centerpieces -> X ivy stems

18/16 = 72/X

X = 16*72/18 = 64

He needs to use now 64 ivy stems to maintain the ratio.

6 0

3 years ago

Read 2 more answers