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avanturin [10]
3 years ago
5

Evaluate 23x-1 for x = 1. 1 4 7 8

Mathematics
2 answers:
lianna [129]3 years ago
5 0

replace the value of x int eh equation

 so 23x-1 becomes

23(1.1478)-1

23*1.1478 = 26.3994-1 = 25.3994

Jobisdone [24]3 years ago
3 0

THE ANSWER IS 8 :)

Step 1: Simplify. Turn 2^3x-1 into 2^3(1)

Step 2: Multiply exponents. 3 times 1 is 3 so it simply becomes 2^3

Step 3: Solve. Multiply 2 by itself three times. By doing this, you get 8!

2x2x2=8

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jasenka [17]

Answer:

32.5

Step-by-step explanation:

10 ounces is in 4 pizzas so if we want 15 pizzas we need to count up

4 can not fit into 15 so we have to stop at 12 pizzas.

Now we need to add 3 pizzas

:Note: that one pizza is 2.5 of an ounce  out of 10 ounces

so after you add the 3 pizzas you have 15 but that wasnt 4 pizzas so you have 2.5 ounces left over you add those ounces to the 30 you got from the 12 ounces which you have 30 and add it to the ounces left over

2.5 + 30 = 32.5

3 0
2 years ago
How many teaspoons make up 40ml<br>​
mojhsa [17]

Answer:

Convert 40 Milliliters to Teaspoons

mL tsp

tsp40.01 8.1174

8.117440.02 8.1194

8.117440.02 8.119440.03 8.1215

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3 0
2 years ago
Read 2 more answers
A circular playground for a daycare center is to be covered with square tiles that are 9 inches on each side. The circle has a d
nydimaria [60]

Answer:

9 boxes

Step-by-step explanation:

Area=\pi r^{2}

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Area of 1 tile= 9*9=81

Number of tiles= \frac {16286.01632&#10;}{81}=201.0619298&#10;\202 tiles

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3 years ago
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Svet_ta [14]
You would first learn how many weeks there are in a year which is 52
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3 years ago
Find the slope of the line passing through the two points.
GalinKa [24]

The fromula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

a) (-1, -8), (-7, -4)

substitute

m=\dfrac{-4-(-8)}{-7-(-1)}=\dfrac{-4+8}{-7+1}=\dfrac{4}{-6}=-\dfrac{2}{3}

b) (2.1, 3.8), (3.1, 7.6)

substitute

m=\dfrac{7.6-3.8}{3.1-2.1}=\dfrac{3.8}{1}=3.8

4 0
2 years ago
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