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jok3333 [9.3K]
3 years ago
11

PLS HELP ME ASAP FOR 10 and 11! (MUST SHOW WORK FOR BOTH!!) + GIVING THANKS AND BRAINLIEST!!

Mathematics
2 answers:
rjkz [21]3 years ago
3 0
10 the equation should be 3x + 6 = 63
subtract 6 from both sides to get 3x = 57
57 ÷ 3 = 19 inches


11
-1.5 * 4 = -6 degrees
an increase in 4 degrees us the answer
Rudik [331]3 years ago
3 0
10. do 63-6 which is 57 and then divide by 3 to get 19.
11. do -1.5*4 which equals -6 and then find that 6-2=4 so the change in temperature each hour between 4:00 to 6:00 is +2 degrees.
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RSB [31]
Isolate the variable by dividing each side by factors that don't contain the variable.

x= 13/4 - y/4



If you are solving for x (only)
X = 45/4 - y/4

If you are solving for y (only)
Y= 45- 4x
6 0
3 years ago
In 1990, a magazine collected data and published an article evaluating freezers. It listed 45 models, giving the brand, cost (do
Anna71 [15]

Complete question is;

In 1990​, a magazine collected data and published an article evaluating dryers. It listed 45 ​models, giving the​ brand, cost​ (dollars), size​ (cu ft),​ type, estimated annual energy cost​ (dollars), an overall rating​ (good, excellent,​ etc.), and repair history for that brand​ (percentage requiring repairs over the past 5​ years).

The​ W's are​ Who, What,​ When, Where,​ Why, and hoW.

1) Identify the Who. Choose the correct answer below.

A. 45 models of dryers

B. Dryers

C. Brands of dryers

D. Size of dryers dryers

2) Identify the What. Choose the correct answer below.

A. ​Brand, type, overall rating

B. ​Brand, cost,​ size, type, estimated annual energy​ cost, overall​ rating, repair history

C. Cost, size, estimated annual energy​ cost, repair history

D. ​Brand, cost,​ size, type

3) Identify the When. Select the correct choice below​ and, if​ necessary, fill in any answer boxes within your choice.

A. The data were recorded in 1990.

B. The information is not provided.

4) Identify the Where. Choose the correct answer below.

A. The 45 models of dryers

B. The information is not provided.

C. The population of dryers

5) Identify the Why. Choose the correct answer below.

A. To provide information to the magazine's readers

B. To write an article about dryers

C. To compare the size of the dryers

D. To collect information about dryers

6) Identify the hoW. Choose the correct answer below.

A. The different dryers belonged to the​ magazine's employees.

B. The dryers were chosen at random.

C. The information is not provided.

7) Identify each variable as either categorical or quantitative.

Brand

▼

Categorical

Quantitative

Estimated annual energy cost

▼

Quantitative

Categorical

Cost

▼

Categorical

Quantitative

Overall rating

▼

Categorical

Quantitative

Size

▼

Quantitative

Categorical

Repair history

▼

Quantitative

Categorical

Type

▼

Categorical

Quantitative

8) For each quantitative​ variable, determine the units in which it was measured.

Cost

▼

Dollars

Not specified

Pounds

Estimated annual energy cost

▼

Dollars

Pounds

Not specified

Size

▼

Cubic inches

Cubic feet

Feet

Inches

Not specified

Repair history

▼

Years

Percentages

Not Specified

Answer:

All answered below.

Step-by-step explanation:

1) Option A: 45 models of dryers

2) Option B: ​Brand, cost,​ size, type, estimated annual energy​ cost, overall​ rating, repair history

3) Option A: The data were recorded in 1990.

4) Option B: The information is not provided.

5) Option A: To provide information to the​ magazine's readers

6) Option C. The information is not provided.

7) - Brand variable is Categorical

- Estimated annual energy cost variable is Quantitative

- Cost variable is Quantitative

- Overall rating variable is Categorical

- Size variable is Quantitative

- Repair history variable is Quantitative

- Type variable is Categorical

8) - cost​ is in dollars)

- estimated annual energy cost​ is in dollars

- size​ is in cu. ft

- repair history is in percentages

8 0
3 years ago
LOTS OF POINTS Please help
Komok [63]

Answer:

1. 5b^2-b-2 (so option 3)

2. 4x-1 (so option 2)

Step-by-step explanation:

For the first one you need to just simplify the expression

For the second one you need to combine like terms

3 0
3 years ago
Read 2 more answers
Solve for "x." Show your work!<br><br> 5x - 7 = 3
nexus9112 [7]

Answer:

answer x =2

Step-by-step explanation:

answer x=2

5.2-7=3

3 0
2 years ago
Read 2 more answers
Find x pls help lol
dmitriy555 [2]

Answer:

x=6

Step-by-step explanation:

x is the geometric mean of 3 and 12.

3 · 12 = x²

x=6

3 0
2 years ago
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