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Marianna [84]
3 years ago
8

Work out the value of: 3x + 2y When x = -3 and y = -4

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0

3( - 3) + 2( - 4) \\  - 9 - 8 =  - 17
Fiesta28 [93]3 years ago
5 0

Answer:

-17

Step-by-step explanation:

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Please help!!!
stiv31 [10]

Answer:

B

C

B

Step-by-step explanation:

1.  Percent means out of 100

8% = 8/100

.08

B

2. Is means equals and of means multiply

W = 48% *180

W = .48 *180

W =86.4

C

3. Is means equals and of means multiply

80 = 125% * W

80 = 1.25 W

Divide each side by 1.25

80/1.25 = W

64

B

6 0
3 years ago
What are the solutions to the equation (x+5)2=32 ?
Vsevolod [243]

Answer:

x = 11

Step-by-step explanation:

(x+5)2 = 32

2x + 10 = 32

2x = 32 - 10

2x = 22

x = 11

8 0
3 years ago
Read 2 more answers
a medical transcriptionist has a four drawer cabinet. one drawer is 4/5 full and one is 1/2 full and one drawer is 3/4 full. can
amid [387]

Answer:

Yes, provided they are all the same size.

Step-by-step explanation:

4/5=0.8

1/2=0.5

3/4=0.75

0.8+0.5+0.75=n

8+5=13

0.8+0.5=1.3

1.3+0.75=2.05

3 0
3 years ago
Read 2 more answers
What is the area of this triangle plz help ASAP
Komok [63]

Answer:

18in^2

Step-by-step explanation:

4 0
4 years ago
2 short answer questions.
nasty-shy [4]
For the first one your equation is h(d)=3/7d+5
If d represents the number of days and the question is wanting to know the height after 1 week (7 days) then you would get this equation once 7 is in the place of d
h(d)=3/7(7)+5
When solved you answer is 8 inch. 

For the second one your equation is f(x)=75x+250
If x represents the number of weeks and the question is asking how much money Sam will have after 12 weeks then you will get this equation once putting in 12
f(x)=75(12)+250
Once solved you will get the answer $1150

Hope this helps! :)
8 0
4 years ago
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