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Ganezh [65]
3 years ago
8

Solve for b4 (-3 - b) = 4 - 2b

Mathematics
1 answer:
viva [34]3 years ago
7 0
The answer is b = -8
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Lin is selling floral arrangements. Each arrangement uses 1 vase and 16 roses. Each case costs Lin $4.00. Let C be the total cos
Alekssandra [29.7K]

Answer:

C=16D+4

Step-by-step explanation:

Let

C -----> the total cost of the arrangement

D ----> the cost of each rose

we know that

The total cost of the arrangement is equal to the cost of one rose multiplied by 16 plus the cost of the vase

so

The equation that Lin should use to find the total cost of each arrangement is

C=16D+4

8 0
3 years ago
2x+3y=10<br> -6x-9y=30<br> elmantation method
Assoli18 [71]

Answer:

• First assign any label to the equations:

{ \tt{2x + 3y = 10 -  -  -  \{eqution \: (a) \}}} \\ { \tt{ - 6x - 9y = 30 -  -  -  \{equation \: (b) \}}} \\

• Multiply equation (a) by 3

\dashrightarrow \: { \tt{3 \times (2x + 3y = 10)}} \\  \dashrightarrow \: { \tt{6x + 9y = 30}}

• Sum up the result with equation (b)

{ \underline{ + { \tt{ \binom{6x + 9y = 30}{ - 6x - 9y = 30} }}}} \\ { \tt{0x + 0y = 60}}

Answers:

No solutions

5 0
2 years ago
His parents pay Tyler $ 0.75 to do the laundry and $ 1.75 to mow the lawn. In one month, he does the laundry 6 more times than h
zhuklara [117]

Answer: Tyler mowed the lawn 4 times

Step-by-step explanation:

Let x = number of times that he does laundry

Let y = number of times that he mows the lawn

In one month, he does the laundry 6 more times than he mows the lawn. This means

x = 6 +y

Tyler's parents pay him $ 0.75 to do the laundry and $ 1.75 to mow the lawn. If his parents pay him $ 14.50 that month, it means that

0.75x + 1.75y = 14.5 - - - - - - -1

Substituting x = 6+y into equation 1, it becomes

0.75(6 + y) + 1.75y = 14.5

4.5 + 0.75y + 1.75y = 14.5

0.75y + 1.75y = 14.5 - 4.5

2.5y = 10

y = 10/2.5 = 4

x = 6 + y = 6 + 4

x = 10

7 0
3 years ago
The lunch lady has 8 pounds of lasagna. If she makes 15-pound servings using this amount of lasagna, how many servings can she m
patriot [66]

Answer:

40

Step-by-step explanation:

7 0
3 years ago
This is another name for the sequence generator in a<br> geometric sequence.
nadya68 [22]
Geometric progression
5 0
3 years ago
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