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Alexxx [7]
3 years ago
6

Shauna saw 30 fish. If the number of fish she saw was 6 more than twice the number of clams, which equation could she use to fin

d x, the number of clams?
Mathematics
1 answer:
Gwar [14]3 years ago
4 0

Answer:

2x + 6 = 30

hope this helps

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Help this is due today, its one question
strojnjashka [21]
2389.51 times 6% equals 143.37 so 6% of his total sales equals 143.37.  6.25 times 37.5 equals 234.37  234.37+143.37 equals 377.745 so no it isn't enough. I hope this answer helps you
7 0
3 years ago
What are the domain restrictions of a + 1 / a^2-5a-36?
velikii [3]
All real numbers except -4 and 9.    

The domain of an expression is the range of all values for which the expression is defined. Looking at the expression, it will legal everywhere except when a^2 - 5a - 36 is equal to 0. Since that's a quadratic equation, we can use the quadratic formula to find where its value is 0, giving -4 and 9.    

Therefore the domain of the expression is, All real numbers except -4 and 9.
3 0
3 years ago
In planning her retirement, Liza deposits some money at 2% interest, twice as much deposited at 2.5%. What is the amount deposit
harkovskaia [24]
She deposited two amounts, let's say "a" and "b"
"a" earning 2% interest
"b" earning 2.5% interest

the 2.5% one, is twice as much as the 2% one
so.. one can say that, whatever "a" is, "b" is twice as much,
or b = 2*a -> b = 2a

now.. .the sum of both earned interest, was $1190

so.. one can say that (2% of a) + (2.5% of b) = 1190
let' us use the decimal notation then
\frac{2}{100}a+\frac{2.5}{100}b=1190\implies 0.02a+0.025b=1190
\\ \quad \\
\textit{however, we know "b" is 2a thus}
\\ \quad \\
0.02a+0.025\boxed{b}=1190\implies 0.02a+0.025(\boxed{2a})=1190

solve for "a" to find what the "a" amount is,
to find "b", well, "b" is "2a", so just do a 2*a to get "b"

5 0
3 years ago
Andrew owns 3 fewer DVDs than Paul. Let K represent number of Paul's DVDs. Write the expression that can be used to find the num
Julli [10]
K-3 should be the answer because andrew has 3 less than Paul.

5 0
3 years ago
The diameter of a semicircle is 8 kilometers. What is the semicircle's radius?
Wittaler [7]

Answer:

Since, the raduis is twice the diameter, we divide the diameter by 2 which 4. The radius is 4 km.

7 0
3 years ago
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