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Novosadov [1.4K]
3 years ago
9

1. Solve for the area of the figure below.

Mathematics
1 answer:
wariber [46]3 years ago
7 0

Answer:

39

Step-by-step explanation:

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The functions u and w are defined as follows. u(x)=2x-2 w(x)=-2x^2+1 Find the value of w(u(5)).
lianna [129]

Answer:

-127

Step-by-step explanation:

u(x)=2x-2

w(x)= -2x^2+1

w(u(5))=?

---------

u(5)= 2*5-2= 8

W(8)= - 2*64+1= -127

8 0
4 years ago
Solve y∕2.5 = 5 for y.
Radda [10]

Answer:

D)12.5

Step-by-step explanation:

y/2.5=5

y=5*2.5

y=12.5

5 0
3 years ago
10 POINTS!!!! no work needed so just answer this 2 question hurry.
iogann1982 [59]

Answer:

Q19 - x = 7

Q20 - x = 24

Step-by-step explanation:

Q19.

75 + x + 8 = 90°

83 + x = 90°

x = 90 - 83

<u>x = 7</u>

<u>{</u>CHECK: 75 + 7 + 8 = 90°<u>}</u>

<u></u>

Q20.

3x - 6 + x = 90°

4x - 6 = 90°

4x = 96

x = 96 / 4

<u>x = 24</u>

<u>{</u>CHECK: 3(24) - 6 + 24 = 90°<u>}</u>

<u></u>

<em>hope this helps...</em>

<em>have a great day ahead ;)</em>

5 0
3 years ago
Joshua has a stored value card with $100
alexira [117]

Answer:

no money left (0$), but no extra payment either.

Step-by-step explanation:

x = price per kg of crab

y = price per prawn

if he orders the first list, we know $12 will be left on his card, that means the order costs 100 - 12 = $88.

1×x + 4×y = 88

for the second list we know he would have to pay $28 extra, in addition to the $100 in the card.

so, 100 + 28 = $128

2×x + 2×y = 128

x + y = 64

now we have a system of 2 equations with 2 variables. we use one equation to express one variable by the other, and that we use then in the second equation to solve it.

x = 64 - y

(64 - y) + 4y = 88

64 + 3y = 88

3y = 24

y = 24/3 = $8

=>

x = 64 - y = 64 - 8 = $56

so, if he orders 1.5 kg of crab and 2 prawns we get a cost

1.5×56 + 2×8 = 84 + 16 = $100

so, he will not have any money left in the card, but he will not have to pay anything extra either.

5 0
3 years ago
Please help i really need this
creativ13 [48]

Answer:

D

Step-by-step explanation:

You have the correct answer.

6 0
3 years ago
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