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MAXImum [283]
2 years ago
15

1. Adelle solved the equation ½ (x + 8) = - 30 as shown.

Mathematics
1 answer:
Deffense [45]2 years ago
5 0

Answer:

-68

Step-by-step explanation:

1/2(x+8)=-30

1/2x+4=-30

You then subtract 4 on both sides which makes:

1/2x=-34

Then you divided 1/2 on both sides:

x=-68

(Did I do this correctly, if not I appologize!)

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Your teacher will grade your response for questions 21–23 to ensure you receive proper credit for your answer.
mario62 [17]

Answer:

(a) Arts take longer

(b) By 2/9 hours

Step-by-step explanation:

Given

Arts = four over nine hours

Maths = two over nine hours

Solving (a): Which takes longer?

First, represent both as fraction

Arts = \frac{4}{9}\ hours

Maths = \frac{2}{9}\ hours

Convert fraction to decimal

Arts = \frac{4}{9}\ hours

Arts = 0.444\ hours

Maths = \frac{2}{9}\ hours

Maths = 0.222\ hours

By comparison:

0.444 > 0.222

Hence, Arts take longer

Solving (b): How much longer?

To do this, we calculate the difference.

Difference = Arts - Maths

Difference = \frac{4}{9} - \frac{2}{9}

Take L.C.M

Difference = \frac{4 - 2}{9}

Difference = \frac{2}{9}\ hours

8 0
3 years ago
What is the next term in this geometric sequence<br>5/6,5/9,10/27,20/81
Ghella [55]
a_1=\frac{5}{6};\ a_2=\frac{5}{9};\ a_3=\frac{10}{27};\ a_4=\frac{20}{81}\\\\\\q=a_2:a_1\\\\q=\frac{5}{9}:\frac{5}{6}=\frac{5}{9}\cdot\frac{6}{5}=\frac{2}{3}\\\\\\a_5=a_4\cdot q\\\\a_5=\frac{20}{81}\cdot\frac{2}{3}=\frac{40}{243}\to answer
3 0
3 years ago
Read 2 more answers
Amelia needs to buy dog food. At the nearest store 3 bags of dog food cost $12.75. How much would Amelia spend on 2 bags of dog
Novosadov [1.4K]

Answer:

$8.5

Step-by-step explanation:

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3 0
3 years ago
Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A (n) = 5 + (n - 1)(1/6)
ArbitrLikvidat [17]

Answer:

the average story is 10 feet and the car is below ground so it would be negative. i assume the answer would be -20 feet

Step-by-step explanation:

5 0
3 years ago
Carla purchased a hat for $12, a purse for $26, and a dress for $125. The sales tax rate was 5.6 percent. What was the total amo
disa [49]
12 + 26 + 125 = 163
163 + 0.056(163) = 163 + 9.13 = 172.13
5 0
3 years ago
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