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ankoles [38]
4 years ago
6

Evaluate the expression????? 1-2x+3y for x=-2 and y=-5

Mathematics
2 answers:
iragen [17]4 years ago
5 0

Answer:

-10

Step-by-step explanation:

I used an app that helps me answer questions and yes its -10 the person that answered before me is correct :D

andreev551 [17]4 years ago
3 0

Answer:

-10

Step-by-step explanation:

1 - 2(-2) + 3(-5)

Multiply -2 times -2 which should give you a positive 4. Then, multiply 3 times negative 5 which should give you -15. And 1 + 4 - 15 = -10

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In 24 hours one set of twins drank 16 bottles of formula. Each bottle holds 4 fl oz. How many cups of formula did the set of twi
aev [14]

Answer:

16 cups of formula

Step-by-step explanation:

you take 16 (<em>the amount of bottles)</em> and multiply it by 4 (<em>the amount one bottle holds</em>)

which gets you 64 then you multiply that by 2 (<em> the amount of children</em>)

which gets you 128

then you divide by 8, because there are <em>8 fl oz in a cup</em>

which gets you 16

16 cups of formula

7 0
3 years ago
The cruising speed of a 747 airplane is approximately 9,944 inches per second. What is this speed to the nearest foot per second
sweet [91]

The answer is B. 829 feet per second.

4 0
3 years ago
Read 2 more answers
3x+2y-z=8<br> -3x+4y+5z=-14<br> X-3y+4z=-14
Luda [366]

Answer:

B? I think

Step-by-step explanation:

sorry I really want to help but I dont get what the question is asking

4 0
4 years ago
Hey can you guys help me?Right now I need help on number 2.
Simora [160]

Answer:

slope is -2

Step-by-step explanation:

find the intersection with the x axis and see how far it takes to get to the labeled point

the rise is 2 and then it goes one to the left

2/1 = 2

8 0
3 years ago
Read 2 more answers
Don't answer this.
prisoha [69]

The information given that A, B, and C are equal in length; each one is 4.47 units long illustrates that the angle is an equilateral triangle.

Secondly, when two of its sides are congruent, then the triangle is an isosceles triangle.

<h3>How to illustrate the information?</h3>

It should be noted that an equilateral triangle simply means the triangle tht had equal shape and angles. Here, since A, B, and C are equal in length; each one is 4.47 units long illustrates that the angle is an equilateral triangle.

Secondly, when two of its sides are congruent, then the triangle is an isosceles triangle. On such triangle, two out of the three sides are equal.

Learn more about triangles on:

brainly.com/question/1058720

#SPJ1

3 0
2 years ago
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