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Elden [556K]
4 years ago
11

4a4 − 2b2 + 40 when a = 2 and b = 7.

Mathematics
2 answers:
svetoff [14.1K]4 years ago
8 0
The answer is 44 which is correct
dexar [7]4 years ago
5 0
Are the numbers after the variables exponents?<span />
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Find the surface area of the cone
babymother [125]
32.2 is the answer
hope it helps
8 0
3 years ago
Find the area of rectangular ground of length the25√3m and breath 20√6m<br>​
Elza [17]

Answer: 500√18

Step-by-step explanation:

Area Of Rectangle = Length × Breadth

Length = 25√3m

Breadth = 20√6m

Area = L×B

= 25√3 × 20√6

= 500√18

Therefore 500√18m is the are of the ground.

Answer From GauthMath if you like it please Heart and comment thanks.

4 0
3 years ago
A craft club makes 95 identical paperweights. They got $230.85 from those paperweights. If the profit the club makes is two time
ahrayia [7]

Answer:

the cost of making each paperweight = $0.81

Step-by-step explanation:

First let us calculate the selling price for each paperweight as follows:

total amount gotten = $230.85

number of paperweights = 95

∴ 95 paperweights = $230.85

∴ 1 paperweight = 230.85 ÷ 95 = $2.43

selling price of 1 paperweight = $2.43

Next, let the cost of making 1 paperweight be 'x'

selling price of paperweight = cost of making + profit gotten

The cost of making the paper weight (x) plus the profit made on the paper weight (2x) equals the selling price of each paper weight.

x + 2x = 2.43 (the profit the club makes is two times as much as the cost to make each paperweight)

∴ 3x = 2.43

x = 2.43 ÷ 3 = 0.81

Therefore, the cost of making each paperweight = $0.81

7 0
3 years ago
Marissa thinks that there could be a pattern between the scale factor and perimeter of an image and its pre-image
Alla [95]

Answer:

You should repent God is coming soon

5 0
3 years ago
a store is having a sale to celebrate Labor Day every item in the store is advertised as one-fourth off the original price if am
Mkey [24]

Answer:

$168

Step-by-step explanation:

1. x - 1/4x = 126

2. multiply each side by 4

3. 4x - x = 504

4. 3x = 504

5. divide each side by 3

6. x = 168

4 0
3 years ago
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