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slava [35]
3 years ago
11

What is the rule for finding the sum of two negative integers

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
8 0

adding two negative integers always yields a negative sum

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You get scores of 72 and 88 on 2 science tests. You have to have an average of at least 85 to not be grounded by your parents. W
svetoff [14.1K]

Answer:

95

Step-by-step explanation:

72+88+95=255:3= 85

7 0
3 years ago
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Is this a function help i wasnt paying attention in class.
inn [45]
Every input(x) has only one output(y)
Emily and Marie can’t have the same birthday in this so it’s not a function
8 0
2 years ago
The length of the shorter base in an isosceles trapezoid is 4 in, its altitude is 5 in, and the measure of one of its obtuse ang
siniylev [52]
The sum of angles in any quadrilateral, including trapezoid, is 360⁰. 
Because we have <span>an isosceles trapezoid, we have 2 angles with measure 135⁰,
and we have 2 equal acute angles with measure x⁰.
So, we can find value of acute angle,
135*2 +2x =360⁰
270+2x=360
2x=360-270
2x=90
x=45⁰

So, acute angles in trapezoid = 45⁰.
From triangle ABC,
angle ACB =90⁰
angle A=45⁰,
so angle ABC= 180-(90-45)=45⁰
Triangle ABC is isosceles triangle,so |AC| = |CB|= 5 in.

So, longer base AA' = 5+4+5= 14 in

Now, we can find area of trapezoid.
shorter base = 4 in
longer base = 14 in
altitude =h = 5 in
Area of trapezoid =(1/2)(base1+base2)*h
Area of trapezoid = (1/2)(4+14)*5= 9*5=45 in²
Answer is 45 in².
</span>

5 0
3 years ago
Find an equation for the line that passes through the points (-5, -5) and (3, 5)
Luda [366]

Answer:

5x-4y+5=0.

Step-by-step explanation:

1) if the point A(-5;-5) and B(3;5), the formula is:

\frac{x-X_A}{X_B-X_A} =\frac{y-Y_A}{Y_B-Y_A}

2) according to the formula above:
\frac{x+5}{3+5} =\frac{y+5}{5+5}; \ = > \ \frac{x+5}{4}=\frac{y+5}{5};

or 5x-4y+5=0.

8 0
2 years ago
Plz help simplify 8/10​
Free_Kalibri [48]

\frac{8}{10} → \frac{4}{5}

8 and 10 can both be divided by 2. So, 8 ÷ 2 is 4 and 10 ÷ 2 is 5.

Hope this helps :)

3 0
2 years ago
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