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liubo4ka [24]
3 years ago
6

1 Find the value of the expression 4a + 7 when a = 2

Mathematics
2 answers:
CaHeK987 [17]3 years ago
4 0

Answer:

15

Step-by-step explanation:

Gnom [1K]3 years ago
3 0
The answer is obviously 15.
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Ryan had 220 baseball cards
emmasim [6.3K]

Answer:

220 baseball cards

Step-by-step explanation:

You didn't tell us anything s o i guess 220 baseball cards

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2 years ago
You want to buy an item that costs $100. Which is the most cost-effective choice for buying the item?
Lilit [14]
C. Buying it a percent discount without sales tax.

Because of not having to pay $10, so it is awesome.
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3 years ago
Find the measure of the indicated angle to the nearest degree.​
Paladinen [302]

Using Pythagorean triplete

\\ \sf\longmapsto h^2=33^2+8^2

\\ \sf\longmapsto h^2=1089+64

\\ \sf\longmapsto h^2=1153

\\ \sf\longmapsto h=\sqrt{1153}

\\ \sf\longmapsto h=33.9

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Now

\boxed{\sf sin\theta=\dfrac{h}{P}}

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3 0
2 years ago
Simplify |3 − 11| − (15 ÷ 3 + 2) 2
Vikentia [17]
|-8| - (5 + 2)2
8-(7)2
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6 0
3 years ago
Authur earned $136 in three weeks. He goes back to school in one more week. He needs at least $189 to buy the new coat that he w
Nady [450]

Answer:

136+ m ≥ 189 is the required inequality : m: The earning in 4th week

Arthur needs to earn AT LEAST $53 in the fourth week to buy the coat which costs at least $189.

Step-by-step explanation:

The amount earned by Arthur in first 3 weeks = $136

The amount needed to buy a coat = AT LEAST $189

Let us assume the amount Arthur needs to earn more to buy  coat = $m

⇒ $ 136 + Amount Earned in 4th week  ≥ $189

⇒ 136+ m ≥ 189

The above equation is the NEEDED inequality of the given situation.

Now, solving for the value of m, we get:

136+ m ≥ 189

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or, m ≥ $53

Hence, Arthur needs to earn AT LEAST $53 in the fourth week to buy the coat which costs at least 189.

3 0
3 years ago
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