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arlik [135]
3 years ago
15

Integer addition and subtraction 3+(-8)=

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

The answer is -5 ww

The parenthesis doesnt matter

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If she spent a total of $44.25 on fabric, what was the cost per yard? She bought 14 3/4. Explain how you solved
Deffense [45]

44.25 \div 14.75 = 3
$44.25 total divided by how many yards (14.75) = $3/yard
6 0
4 years ago
See attachments below
coldgirl [10]

Step-by-step explanation:

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2 years ago
Work out: x+3 5x-2 and x=8 <br> A)&gt;<br> B)&lt;<br> C)=
Ilia_Sergeevich [38]
The correct answer is < (B)
8+3 is 11
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3 0
3 years ago
The mean weight of 25 student in a class is 58kg. The mean weight of a class of 29 students is 62kg. Find the mean weight of all
WARRIOR [948]

Answer:

weight of 25 students

25 × 58 = 1450kg

weight of 29 students

29 × 62 = 1798kg

total students = 25 + 29 = 54

total weight of students = 1450 + 1798 = 3248

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6 0
3 years ago
Find the vertex : f(x)=3x^2-18x+10
Vlad [161]

f(x)=3x^2-18x+10

a = 3, b = -18 and c = 10

The vertex of a parabola is in form a(x+d)^2 + e

d = b/2a = -18/2(3) = -18/6 = -3

e = c-b^2/4a = 10 - -18^2/4(3) = 10-27 = -17

Now the vertex form of the parabola becomes 3(x-3)^2 -17

Use the vertex form of the parabola in the vertex form of y = a(x-h)^2 +k

Where a = 3, h = -3 and k = -17

Now you have y = 3(x-(-3))^2 +(-17)

Simplify: y = 3(x+3)^2 -17

The vertex becomes the h and k values of (3,-17)

3 0
3 years ago
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