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Marina86 [1]
3 years ago
14

For Mothers Day, Jim bought 3 hydrangea plants. For Father's Day, he bought two ties. If a tie costs $5 more than a plant and he

spent a total of $94.75 on both the ties and hydrangeas, How much was the cost of a tie ? What was the cost of a hydrangea plant?
Mathematics
1 answer:
den301095 [7]3 years ago
6 0

$16.95 plant

$21.95 tie

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Solve 5(2x + 4) = 15. Round to the nearest thousandth.<br> PS: x+4 is the power for 2
lilavasa [31]

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

Let's solve for x ~

\qquad \sf  \dashrightarrow \: 5(2x + 4) = 15

\qquad \sf  \dashrightarrow \: (5 \times 2x) + (5 \times 4) = 15

\qquad \sf  \dashrightarrow \: 10x + 20 = 15

\qquad \sf  \dashrightarrow \: 10x + 20 - 20 = 15 - 20

\qquad \sf  \dashrightarrow \: 10x =  - 5

\qquad \sf  \dashrightarrow \:  \dfrac{10x}{10}  =  \dfrac{ - 5}{10}

\qquad \sf  \dashrightarrow \: x =   - \dfrac{ 1}{2}

hence value of x is - 1/2

3 0
2 years ago
Find the probability that a randomly selected person
Inga [223]

Answer:

The probability that a randomly selected person  from this sample liked recreational reading or disliked recreational reading is 1.

Step-by-step explanation:

The probability of an event <em>E</em> is the ratio of the favorable number of outcomes to the total number of outcomes.

P(E)=\frac{n(E)}{N}

Mutually exclusive events are those events which cannot occur together. They are also known as disjoint events.

If events <em>A</em> and <em>B</em> are mutually exclusive then:

P(A\cap B)=0

The data provided is:

Opinion                      Like academic     Dislike academic      Total

                                          reading              reading

Liked recreational                   136                      40                      176

reading

Disliked recreational                16                        8                        24

reading

Total                                       152                      48                      200

Denote the events as follows:

<em>X</em> = a person liked recreational reading.

<em>Y</em> = a person disliked recreational reading.

Compute the probability that a randomly selected person  from this sample liked recreational reading or disliked recreational reading as follows:

P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)

                =\frac{176}{200}+\frac{24}{200}-0\\\\=\frac{176+24}{200}\\\\=1

Thus, the probability that a randomly selected person  from this sample liked recreational reading or disliked recreational reading is 1.

7 0
3 years ago
Wich one is bigger 71 ounces or 4.5 pounds ​
balu736 [363]

Answer:

4.5 pounds. 1 pounds is = to 16 ounces. 16 x 4.5 is 72 ounces so 4.5 pounds is 1 ounce bigger.

8 0
3 years ago
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liraira [26]

Answer:

length is 20 and the width is 5

Step-by-step explanation:

so Area is 100

Area = width * length

legth = 4 * width

This means:

Area = width * 4 width =>  Area = 5 * width

We know that area is 100 so:

100 = 5 * width

that means width = 20, but wait didn't I say that the length is 20? Yes, remember we said length = 4 * width at the beginning, so <u>length = 20</u>.

Now we can easily calculate width as width is 4 times smaller than length, so:

<u>width = 20/4 => 5</u>

We can also test if this is correct by simply using the formula to calculate rectangle. So 5 * 20 = 100, correct!

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Marina CMI [18]

Answer:

No. 1st is (0,2) 2nd is (0,5)

Step-by-step explanation:

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3 years ago
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