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yan [13]
3 years ago
12

Lesson 1.5 math worksheet will mark brainliest and points

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
4 0

1. 17 + (-15) = 17 - 15     Answer: C

2. -5 - x = 14,   -5 - 14 = x,  x=-19      Answer:  F

3. -5 - -14 = -5 + 14 = 9; all the others are negative.  Answer: B

4. 1885 - -2500 = 1885 + 2500 = 4385   Answer: G

5.  -18 - 27 - -15 = -18 - 27 + 15 = -3 - 27 = -30    Answer: B

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How many 2/3 are in 8/9​
Mila [183]

Answer:

3/4 or 0.75 decimal

Step-by-step explanation:

Simplify the following:

(2/3)/(8/9)

Hint: | Write (2/3)/(8/9) as a single fraction.

Multiply the numerator by the reciprocal of the denominator, (2/3)/(8/9) = 2/3×9/8:

(2×9)/(3×8)

Hint: | In (2×9)/(3×8), divide 9 in the numerator by 3 in the denominator.

9/3 = (3×3)/3 = 3:

(2×3)/8

Hint: | In (2×3)/8, divide 8 in the denominator by 2 in the numerator.

2/8 = 2/(2×4) = 1/4:

Answer: 3/4

6 0
3 years ago
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The coordinates of the vertices of a rectangle are (–2, 3), (4, 3), (4, –4), and (–2, –4). What are the dimensions of the rectan
Paladinen [302]
Find distance of side = (y₂- y₁) / (x₂- x₁)
 
you can get length and width  
then area = length * width
perimeter = 2 * (length + width) 
7 0
3 years ago
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30% of __=3<br><br> Please I need this Asap
Natalija [7]

Answer:

<h2>30% of 10 is 3</h2>

Step-by-step explanation:

We have 30% of x= 3

you want to multiply both sides by 30

which will get you to 3

4 0
3 years ago
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Help explAin &amp; answer
ad-work [718]
Hello,

Sorry, i don't know the theorem in English

"Théorème des angles extérieurs :
la mesure en degré d’un angle extérieur est égale à la moitié de la différence des arcs interceptés par ses côtés."
Here

2x+15=1/2(10x+20-80)
==>4x+30=10x-60
==>6x=30+60
==>6x=90
==>x=15 °

3 0
4 years ago
Helppp!!!! please!!!
Vaselesa [24]

Answer:

\boxed{Area = 28.12 cm^2}

Step-by-step explanation:

Area of Parallelogram = Base * Height

Where base = 3.7 cm, Height = 7.6 cm

=> Area = 3.7 * 7.6

=> Area = 28.12 cm^2

5 0
3 years ago
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