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iris [78.8K]
2 years ago
7

Please please help me

Mathematics
2 answers:
Bezzdna [24]2 years ago
7 0

Answer:

7, 8 ,8

Step-by-step explanation:

they are rite

Evgesh-ka [11]2 years ago
6 0

Answer:

16. -y<6

18.t<=-2

20.b<-3/7

22.d>-2.8

Step-by-step explanation:

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A meteorologist forecasted that Monday's hight temperature would be 76F. On Monday, the temperature reached 80F. What is the per
mihalych1998 [28]

Answer: 5%

Step-by-step explanation:

A meteorologist predicted that Monday's hight temperature would be 76F and on Monday, the temperature reached 80F.

The percentage error will be

Percentage error=

(Exact value-Forecasted value)/exact value x 100

= 76-80/80 × 100

= -4/80 × 100

=4/80 × 100

= 400/80

= 5%

The percentage error is 5%.

6 0
3 years ago
What is the area of the sector with a central angle of 49° and a radius of 11 cm? Use 3.14 for pi and round your final answer to
olga_2 [115]

Answer:

\boxed{\text{51.71 cm}^{2}}

Step-by-step explanation:

If the angle θ is in radians, the formula for the area (A) of a sector of a circle is

A = ½r²θ

If θ is in degrees

A = \dfrac{1}{2}r^{2}\theta \times \dfrac{\pi \text{ rad}}{180^{\circ}}= \pi r^{2}\times\dfrac{\theta }{360}

Data:

θ = 49°

r = 11 cm

Calculation:

\begin{array}{rcl}A& = &3.14\times 11^{2}\times\dfrac{49}{360}\\\\ & = &3.14 \times 121 \times 0.1361\\ & = & \mathbf{51.71}\\\end{array}\\\text{The area of the sector is }\boxed{\textbf{51.71 cm}^{2}}

4 0
3 years ago
I am a table that uses numbers to record data​
Delicious77 [7]

Answer:

    Tally table

Step-by-step explanation:

Frequency table- a table that uses numbers to record data. 3. Tally table- a table that uses tally marks to record data bran-list please i answered first i will follow you and answer more of your questions almost expert please

8 0
3 years ago
Read 2 more answers
An electronic device that previously sold for $21.00 has been reduced to $17.43. The price reduction, rounded to the near east w
svet-max [94.6K]

The percentage of reduction is 17%

<u>Explanation:</u>

Original price = $21

Reduced price = $17.43

Percentage of reduction = ?

Difference in price = $21 - $17.43

                               = $3.57

Percentage of reduction = \frac{difference}{original} X 100

                                         = \frac{3.57}{21} X 100\\\\= 17

Therefore, percentage of reduction is 17%

7 0
3 years ago
Six people can be seated at a table. If two tables are put
Lerok [7]
Well, that would be 4 tables to fit 20 people but would not be enough for 2 more people so I would say 5 tables total.

-Hope this helps.
6 0
3 years ago
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