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Ede4ka [16]
3 years ago
5

2. On Monday, I bought 3 dogs and 5 cats for a total cost of $8.25. On Tuesday, I bought 3 dogs and 6 cats for a total cost of $

9. Can you find the price of each item?
Mathematics
1 answer:
Ratling [72]3 years ago
7 0
I don’t know if you need to round, but you can do so on the answer for mondays if necessary

On Monday, the animals cost $1.03125.
On Tuesday, the animals cost exactly $1.
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Let t(x) = 3x-8 and s(t(x)) = x^2 + 3x - 2. Find s(1).
ratelena [41]
<h3>Answer:  16</h3>

=============================================================

Explanation:

Equate s(t(x)) and s(1) to find that t(x) = 1 must be the case.

Let's find what x must be.

t(x) = 3x-8

1 = 3x-8

1+8 = 3x

9 = 3x

3x = 9

x = 9/3

x = 3

So plugging x = 3 into t(x) gets us t(x) = 1

In other words, t(3) = 1

So that tells us s(t(3)) = s(1)

-------------

Let's plug x = 3 into the s(t(x)) equation

s(t(x)) = x^2 + 3x - 2

s(t(3)) = (3)^2 + 3(3) - 2

s(1) = 9 + 3(3) - 2

s(1) = 9 + 9 - 2

s(1) = 18 - 2

s(1) = 16

7 0
3 years ago
Nadia is writing a science report. She wrote 95 words each day for 12 days. How many total words did Nadia write?
Lubov Fominskaja [6]

Answer:

1140 words

Step-by-step explanation:

12 days * <u>95 words</u>     = 12 * 95 words = 1140 words

                   1 day

5 0
4 years ago
1 centigram equals how many grams
ss7ja [257]

0.01 of a gram is your answer.

7 0
3 years ago
Read 2 more answers
. Roger uses his truck to plow parking lots when it snows. He wants to find a model to predict the number of service calls he ca
expeople1 [14]

Answer:

4.1 calls

Step-by-step explanation:

The number of calls (c) that Roger expects to get as a function of how many inches of snow fall (s), is described by the following linear model:

c(s)=0.8s+0.29

Therefore, when s = 4.7 inches, the number of service calls that Roger expects is:

c(4.7)=0.8*4.7+0.29\\c(4.7)=4.05\ calls

Rounding to the nearest tenth, Roger will get about 4.1 calls.

6 0
4 years ago
Amy is putting money into a savings account. She starts with $650 in the savings account, and each week she adds $70 .
SOVA2 [1]

Answer:

$1,840

Step-by-step explanation:

S + (70 × W)

650 + (70 × 17)

650 + 1190

1, 840

8 0
3 years ago
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