3 years ago

Which structure is found in some but not all plant cells?

Mathematics

1 answer:

solniwko [45]3 years ago

4 0

Iysosome. I mean that was easy

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What is the value of x?

Bogdan [553]

Answer:

Step-by-step explanation:

90+15=105

105÷5=21

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3 years ago

What is the solution set for 12=2(3x - 7)^2 +4

svet-max [94.6K]

$12=2(3x-7)^2+4 \ \ \ |-4 \\
8=2(3x-7)^2 \ \ \ |\div 2 \\
4=(3x-7)^2 \\
\sqrt{4}=\sqrt{(3x-7)^2} \\
2=|3x-7| \\
3x-7=2 \ \lor \ 3x-7=-2 \\
3x=2+7 \ \lor \ 3x=-2+7 \\
3x=9 \ \lor \ 3x=5 \\
x=\frac{9}{3} \ \lor \ x=\frac{5}{3} \\
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\boxed{x \in \{1 \frac{2}{3}, 3 \} }$

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3 years ago

What was the error made in this conversion?

Snowcat [4.5K]

Answer:

B.) The 1,609 meters and the 3,218 meters in Step 1 should be switched.

Step-by-step explanation:

<u>Step 1 is incorrect. It should be:</u>

3218 meters x 1 mile / 1609 meters = 2 miles

Correct answer option is B

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3 years ago

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kumpel [21]

Answer: ??????

Step-by-step explanation:

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3 years ago

Each month Liz pays $35 to her phone company just to use the phone. Each text she sends costs her an additional $0.05. In March

olchik [2.2K]

First let's set up an equation: 35+0.05t.
35 is the phone rate per month plus the number of texts (t) times 0.05 (cost of 1 text)

Now we can find the amount of texts she sent each month.

March
35+0.05t=72.60
-35 -35
0.05t=37.60
------ -------
0.05 0.05
t=752

April
35+0.05t=65.85
-35 -35
0.05t=30.85
------ -------
0.05 0.05
t=617

She sent 752 texts in March and 617 texts in April.

7 0

3 years ago