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Natali [406]
4 years ago
12

Please help me with these two questions ( show work plz )( it's ok if you only now one)​

Mathematics
2 answers:
Romashka-Z-Leto [24]4 years ago
5 0

Answer:

1.8.09

2.-6

Step-by-step explanation:

1. 11b=89

b=89/11

8.09

2. 13+k/3=11

k/3=11-13

k/3=-2

k=-2*3

=-6

Ksenya-84 [330]4 years ago
5 0

Answer:

Number 2 is - 6

Step-by-step explanation:

2. 13 + k/3 = 11

We can start off my subtracting 13 in both sides.

-13 + 13 + k/3 = 11 - 13

k/3 = -2. now we have to multiply 3 in both sides

3 x k/3 = -2 x 3

k = -6

Hope this helps!!

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Find the 66th term of the arithmetic sequence -10, 7, 24
zavuch27 [327]

Answer:

1095

Step-by-step explanation:

There is a common difference between consecutive terms , that is

7 - (- 10) = 24 - 7 = 17

This indicates the sequence is arithmetic with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 10 and d = 17 , thus

a_{66} = - 10 + (65 × 17) = - 10 + 1105 = 1095

5 0
3 years ago
25 = 2c - 8.000000000000000000000
BigorU [14]

Answer:

c=33/2

Step-by-step explanation:

25+8=2c

33=2c

33/2=c

3 0
3 years ago
Is the Ratio table correct?
butalik [34]

Answer: si esta correcta 1/6

Step-by-step explanation:

Espero te ayude

6 0
3 years ago
Eight cookies and 3 muffins cost $13Four cookies and six muffins cost $11.How much does a cookie cost? How much does a muffin co
NeTakaya

Answer:

the cost of each cookie is \$1.25

the cost of each muffin is \$1.00

Step-by-step explanation:

Let

x-----> the cost of each cookie

y----> the cost of each muffin

we know that

8x+3y=13 -----> equation A

4x+6y=11 -----> equation B

Using a graphing tool

The solution of the system of equations is the intersection point both graphs

The intersection point is (1.25,1)

see the attached figure

therefore

the cost of each cookie is \$1.25

the cost of each muffin is \$1.00

5 0
4 years ago
Five more than twice a number is 7​
never [62]

answer is 1.

twice one is two. five more than two is 7.

4 0
3 years ago
Read 2 more answers
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