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larisa86 [58]
2 years ago
14

Please answer this. My assignment is due today. Anyone who can help I would appreciate it.

Mathematics
1 answer:
SVEN [57.7K]2 years ago
7 0

Answer:

I'm sorry if i can't help you,but i know you can do it:))

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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
Trevor was paid $960 last week for working 40hours. What is Trevor's hourly pay rate before taxes?
Mekhanik [1.2K]
He gets paid 24 dollars an hour 960/40=24
4 0
3 years ago
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Rewrite 140^1/8 in radical form.
notka56 [123]
140^1/8 = \sqrt[8]{140} 
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3 years ago
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If 7 notepads cost $3.15, what is the unit price of the notepads?
vovangra [49]

Answer:

$0.45

Step-by-step explanation:

Unit price is basically the same as unit rate. Unit rate is the cost of one item.

So $3.15 divided by seven is point fourty-five.

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What else would need to be congruent to show that triangle ABC cong Triangle XYX by ASA?
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<h3>Answer: First choice.  angle C = angle Z</h3>

Explanation:

AC = XZ shows that the horizontal pieces are congruent. This is the "S" of "ASA" as it stands for the pair of congruent sides. We are also given angle A = angle X. This is one of the "A"s in "ASA" as it stands for pair of congruent angles.

What we're missing is the other pair of angles. We must pick C and Z because they help sandwich the two sides mentioned above. ASA has the two angles surrounding the sides; or the sides are between the angles. We can't pick B and Y, unless we were doing AAS which is a similar related idea. The order matters when it comes to ASA and AAS. However, AAS is the same as SAA.

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