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3 years ago

Give me the correct answer please. You will be reported if you troll. Thanks.

Mathematics

2 answers:

gavmur [86]3 years ago

5 0

Answer:

490

Step-by-step explanation:

qwelly [4]3 years ago

3 0

Answer:

the answer is 127.65

Step-by-step explanation:

if you divide 2.35 into 300 it can only go inside of 300

127.65 times that your answer

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Solve for x: 10(x + 1) = 2x - 7

Lisa [10]

Answer:Simplifying

x = -2.125

Step-by-step explanation:Add '-10' to each side of the equation.

10 + -10 + 8x = -7 + -10

Combine like terms: 10 + -10 = 0

0 + 8x = -7 + -10

8x = -7 + -10

Combine like terms: -7 + -10 = -17

8x = -17

Divide each side by '8'.

x = -2.125

Simplifying

x = -2.125

4 0

3 years ago

Read 2 more answers

The scale on a map states that 1 centimeter corresponds to 20 kilometers. On the map, two cities are 0.3 cm apart. Find the actu

Archy [21]

Answer: The actual distance is 6 km

Step-by-step explanation: If you do a conversion from 1 cm to 20 km in fraction form, you will have

$\frac{1cm}{20km} = \frac{0.1cm}{km ?}$

So, if you solve for km, you will get 6 using cross multipulcation

6 0

3 years ago

A cell phone is on sale for $205 after a 20% off discount. What was the original price of the phone?

Leni [432]

Answer:

256.25

Step-by-step explanation:

if you have a 20% discount then you are paying 80% if the original cost.

so 80% of the original price is 205

.80x = 205

x = 205/.80

7 0

3 years ago

A researcher compares differences in positivity between participants in a low-, middle-, or upper-middle-class family. If she ob

777dan777 [17]

Answer:

(2, 12)

Step-by-step explanation:

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"

If we assume that we have $3$ groups and on each group from $j=1,\dots,n_j$ we have $n_j$ individuals on each group we can define the following formulas of variation: