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soldier1979 [14.2K]
3 years ago
12

What is answer for 15×2-×-2

Mathematics
2 answers:
Ivenika [448]3 years ago
8 0
The answers 60 hope it helped a little:D
EleoNora [17]3 years ago
6 0
The answer would be 60 because 15*2 is 30 and 30*2 is 60, however im confused on what the -x- is about
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I need help with number 12 plz
OlgaM077 [116]

Answer:

347 is the initial spider population

Step-by-step explanation:

y = ab^x

is the formula for exponential growth and decay

a = the initial value

b is the growth or decay rate

b>1  it is the growth rate  (b-1) is the percent

0<b<1 it is the decay rate (1-b) is the percent

y = 347(1.2)^x

347 is the initial spider population

(1.2-1) = .2 = 20 % growth rate

6 0
3 years ago
Read 2 more answers
$750 loan 7% a year three years of no payments how much interest are you paying?
Anastaziya [24]

Answer:

$157.50

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 7%/100 = 0.07 per year,

then, solving our equation

I = 750 × 0.07 × 3 = 157.5

I = $ 157.50

The simple interest accumulated

on a principal of $ 750.00

at a rate of 7% per year

for 3 years is $ 157.50.

5 0
3 years ago
632x27 and explaination
12345 [234]
17,064. Do multipcation and line numbers up, remember to carry.
8 0
3 years ago
Compare 249 and 271 write the greater number in word form
miskamm [114]
271>249   the greater number is 271 which is two hundred seventy-one
8 0
4 years ago
What is the image of point (4, 5) after a counterclockwise rotation of 270º about the origin?
andriy [413]
A <span>counterclockwise rotation of 270º about the origin is equivalent to a </span><span>clockwise rotation of 90º about the origin.

Given a point (4, 5), the x-value, i.e. 4 and the y-value, i.e. 5 are positive, hence the point is in the 1st quadrant of the xy-plane.

A clockwise rotation of </span><span>90º about the origin of a point in the first quadrant of the xy-plane will have its image in the fourth quadrant of the xy-plane. Thus the x-value of the image remains positive but the y-value of the image changes to negative.
Also the x-value and the y-value of the original figure is interchanged.
For example, given a point (a, b) in the first quadrant of the xy-plane, </span><span>a counterclockwise rotation of 270º about the origin which is equivalent to a <span>clockwise rotation of 90º about the origin will result in an image with the coordinate of (b, -a)</span>

Therefore, a </span><span>counterclockwise rotation of 270º about the origin </span><span>of the point (4, 5) will result in an image with the coordinate of (5, -4)</span> (option C)
3 0
4 years ago
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