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o-na [289]
3 years ago
5

The mean temperature for the first 7 days in January was 4 °C. The temperature on the 8th day was 3 °C. What is the mean tempera

ture for the first 8 days in January?
Mathematics
2 answers:
Agata [3.3K]3 years ago
7 0

Answer:

3.875

Step-by-step explanation:

Bad White [126]3 years ago
3 0

Answer:

Mean temperature for the first 8 days was  3.88^\circ

Step-by-step explanation:

Mean = \frac{4\cdot 7+3\cdot 1}{8}

=3.88^\circ

Best Regards!

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Maria bought a blouse on sale for 30% off. The sale price was $28.76. What was the original price? Write an equation to model th
Snowcat [4.5K]

Answer:

The equation is <u>sale price</u>=p and the original price is $41.09.

                              .70

Step-by-step explanation:

sale price= (1-.30)p      

<u>sale price=.70</u>p

.70              .70

<u>sale price</u>=p                  

.70

<u>28.76</u>=p

.70

$41.09=p

7 0
3 years ago
Una carretera recta tiene un ángulo de elevación de 3 grados respecto al plano horizontal. ¿Qué distancia hay que recorrer para
geniusboy [140]

Answer:

572.4 m

Step-by-step explanation:

Fórmula del ángulo de elevación =

tan θ = Opuesto / Adyacente

θ = 3 °

Opuesto = 30 m

Adyacente =?

Por eso

bronceado 3 = 30 m / x

Multiplicar cruzada

bronceado 3 × x = 30 m

x = 30 m / bronceado 3

x = 572.43410063m

Aproximadamente = 572.4 m

5 0
3 years ago
The length of a rectangular park is four timesfour times its width. The park is surrounded by a 33​-foot-wide path. Let x denote
tiny-mole [99]

Answer:

A(x) = 4x^2 + 330x + 4356

Step-by-step explanation:

width of park: x

length of park: 4x

width + path width = x + 66

length + path width = 4x + 66

area = (x + 66)(4x + 66)

area = 4x^2 + 66x + 264x + 4356

area = 4x^2 + 330x + 4356

A(x) = 4x^2 + 330x + 4356

7 0
3 years ago
Find the percent if the common ratio is 0.29
Tasya [4]
The percent would be 29%. You need to move the decimal to the right twice.
8 0
3 years ago
Read 2 more answers
Write the following number in scientific notation. 788,000
Andreyy89

Answer:

7.88 x 10^5 is 788,000 is scientific notation

4 0
2 years ago
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