3 years ago

HELP URGENT!!! RESPOND QUICKLY!!!

Mathematics

1 answer:

otez555 [7]3 years ago

5 0

Answer:

i think x = 7 y = 11

Step-by-step explanation:

have a nice dae

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A linear equation exists for the following sets of ordered pairs: {(-1, 1), (0, 3), (-1/3, 7/3)}. The rule for the linear equati

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the regular price of a shirt is $40 during a sale a discount of 20% is given calculate the amount a customer pays for d shirt

Norma-Jean [14]

Answer:

$32

Step-by-step explanation:

0.8*40

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Fred placed 3 strands of bacteria in a petri dish. The bacteria strands double every hour. Write a formula to represent how many

miv72 [106K]

Answer:

C. $f(n) = 3(2)^n$ ; 48 strands of bacteria

Step-by-step explanation:

Fred placed 3 strands of bacteria in a petri dish.

The bacteria strands double every hour.

Formula : y = ab^x

Where a is the initial value

b = growth rate

x = hours

So, A formula to represent how many bacteria strands are present at the nth hour : $f(n)=3(2)^n$

Now we are supposed to find how many strands of bacteria are present at 4 hours.

Substitute the value in the formula :

$f(4)=3(2)^{4}$

f(4)=48

Hence 48 strands of bacteria are present at 4 hours.

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3 years ago

1. Vertical angles are complementary

nignag [31]

Answer:

1. Sometimes, 2. Never, 3. Always, 4. Never

Step-by-step explanation:

1. Vertical angles are complementary

Sometimes (if measure45°)

2. Vertical angles are adjacent

Never

3. The complement of an acute angle is an acute angle

Always. Both of them < 90°

4. The supplement of an obtuse angle is an obtuse angle

Never. Obtuse angle > 90°, supplement is (180° - obtuse), which is <90° so is acute

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3 years ago

Simplify the expression. show your work. 22 (32 – 42)

JulijaS [17]

If you would like to simplify the expression 22 * (32 - 42), you can do this using the following step:

22 * (32 - 42<span>) = 22 * (-10) = - 22 * 10 = - 220
</span>
The correct result would be - 220.

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3 years ago

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HELP URGENT!!! RESPOND QUICKLY!!!​

HELP URGENT!!! RESPOND QUICKLY!!!