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mrs_skeptik [129]
3 years ago
15

-3.5.-12=42 O True O False

Mathematics
1 answer:
Xelga [282]3 years ago
5 0
It’s false because if you take a negative number away from another negative number it would give you another negative number not a positive number!
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Does a right triangle have perpendicular sides?<br> Does a quadrilateral have perpendicular sides?
Elza [17]
A right triangle does have perpendicular line because they can cross if the lines go on forever
A quadilateral is a 4 sided shape so if you talking about the square or a rectangle or a parralelogram no it does not have perpendicular sides BUT if you are talking about a trapezoid it does have pependicular side

HOPE THIS HELPS!!!!!!! ;-)
PLZ MARK ME AS BRAINLIEST!!!
6 0
4 years ago
In the diagram, what is the value of x?
myrzilka [38]
Hello!

The angle that measures 82 and the angle that is x are supplementary meaning that they equal to 180°

We can subtract the 82 angle to find x

180 - 82 = 98

x is 98

Hope this helps!
3 0
3 years ago
Read 2 more answers
A trade magazine routinely checks the​ drive-through service times of​ fast-food restaurants. Upper AA 9595​% confidence interva
exis [7]

Answer:

The statement describes that:

A person can be 9595 percent sure that the mean drive through service period of this chain is between  164.5164.5 seconds and 168.3168.3 seconds.

8 0
3 years ago
There are 10 red and 20 yellow balls. Drawing 3 balls without replacement, what is the chance the first is red and the next two
Xelga [282]

10 + 20 = 30 total balls.

Picking red = 10/30 = 1/3

After picking one ball there are 29 balls left.

Picking a yellow next is 20/29

Then there are 28 balls left and 19 yellow left, so picking another yellow would be 19/28

The probability of picking red first then two yellow = 1/3 x 20/29 x 19/28 = 95/609

6 0
3 years ago
George Kittle was given 300 protein bars. He eats 4 of them every day. Write an equation that represents the situation if he has
nikklg [1K]

Answer:

Part 1) The linear equation is y=-4x+300

Part 2) if he has 90 protein bars left, then 52.5 days have passed

Step-by-step explanation:

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

y is the number of protein bars left

x is the number of days

m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

The slope is equal to

m=-4\ \frac{bars}{day} ----> is negative because is a decreasing function

b=300\ protein\ bars

substitute

y=-4x+300  ---> linear equation that represent this situation

If he has 90 protein bars left

so

For y=90

substitute in the linear equation and solve for x

90=-4x+300\\4x=300-90\\4x=210\\x=52.5\ days

therefore

if he has 90 protein bars left, then 52.5 days have passed

3 0
3 years ago
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