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emmainna [20.7K]
2 years ago
12

PLease help!!

Mathematics
1 answer:
weqwewe [10]2 years ago
6 0
√45 + √125

= 3√5 + 5√5

= 8√5

Answer is C.

Hope it helps!
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The water department checks the city water supply on a regular basis for contaminants such as xylenes. the water department take
Novosadov [1.4K]

Answer:

Its A

Step-by-step explanation:

6 0
3 years ago
Madi has $8.80 in pennies and nickels.
shepuryov [24]
Let p = number of pennies.
Let n = number of nickels.

We are given that n= 2p and the total value is $8.80.

We know that a penny = $0.01 and that a nickel = $0.05.

So $0.01p + $0.05n = $8.80.

Substitute 2p for n:
$0.01p + $0.05*2p = $8.80

$0.01p + $0.10p = $8.80

$0.11p = $8.80

p = 80
So n = 2p = 2*80 = 160

Thus there are 80 pennies ($0.8) and 160 nickels ($8.00). The value of all the coins is $8.80.
7 0
3 years ago
Which equation represents the relationship “4 less than a number is 10?”
Naily [24]
X+3=7
Which 7-3 would be 4
6 0
2 years ago
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Find the coordinates of the center and the measure of the radius for a circle whose equation is (x-3)^2 + (y-7)^2=2
igomit [66]

Answer:

fourth option

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x - 3)² + (y - 7)² = 2 ← is in standard form

with centre = (h, k) = (3, 7) and r² = 2 ⇒ r = \sqrt{2}

6 0
3 years ago
PLS HELP.
frozen [14]

Answer:

15 people

Step-by-step explanation:

3 0
3 years ago
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