3 years ago

Algebra question don't understand it

Mathematics

1 answer:

Stella [2.4K]3 years ago

7 0

Answer: B false

Step-by-step explanation:

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How many degrees there in 3/5 right angle A. 180 B. 90 C. 150 D. 54

Natalija [7]

Answer:

D. 54

Step-by-step explanation:

Right angle = 90°

3/5 of 90°

3/5 × 90°

270 ÷ 5 = 54°

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2 years ago

5+14a=9a - 5 Please help

posledela

Answer:

a=2

Step-by-step explanation:

5+14a=9a-5 subtract 9a from both sides

5+5a=-5 subtract 5 from both sides

5a=-10 divide by 5 on both sides

a=-2

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2 years ago

Find the value of 48 - 32 ÷ 4 · 2

Crazy boy [7]

Answer:

=48-8×2

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2 years ago

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Helen Weller invested 10,000 in an account that pays 3% simple interest. how much additional money must be invested in an accoun

Naddika [18.5K]

Answer:

3% is 300 in intrest

6% is 600 in intrest

4% is 400 in intrest

Step-by-step explanation:

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3 years ago

Stanley has a collection of seashells. He found 35% of his collection on Florida beaches. If Stanley has 49 seashells from Flori

m_a_m_a [10]

Answer:

The number of seashells he have in his collection all together is 140.

Step-by-step explanation:

Given:

Stanley has a collection of seashells. He found 35% of his collection on Florida beaches.

Stanley has 49 seashells from Florida.

Now, to find the number of seashells of his collection altogether.

Let the number of seashells all together be $x.$

Percentage of seashells found on Florida beaches = 35%.

Number of seashells found on Florida beaches = 49.

Now, to get the number of seashells altogether we put an equation:

$35\%\ of\ x=49.$

⇒ $\frac{35}{100} \times x=49$

⇒ $0.35\times x=49$

⇒ $0.35x=49$

Dividing both sides by 0.35 we get:

⇒ $x=140.$

Therefore, the number of seashells he have in his collection all together is 140.

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2 years ago