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goldenfox [79]
3 years ago
7

~Need help as soon as possible, thank you!~

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
6 0
Question 1

Well, 30 and 36 are divisible by six

thats 10 to 13
when x=40, Y=52
ANSWER-52
Question 2

150/20=x/60
Cross multiply and divide

150x60/20= 450
ANSWER-450
Question 3

6/90 (6 cakes per 90 minutes)
?/450 (how many cakes per 7 hours 30 minutes, taking off for breaks

again, cross multiply and divide
6x450/90=30
ANSWER-30

Question 4
300 words/5 minutes= ?words/27 minutes
300x27/5= 1620
ANSWER - 1620
Your last choices are wrong.

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Add the two expressions. −4.2x+3 and 2.5x−6 Enter your answer in the box.
Iteru [2.4K]
= - 4.2x + 3 + 2.5x - 6

= 2.5x - 4.2x + 3 - 6

= - 1.7x - 3
8 0
3 years ago
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One plus one plus one plus one
Greeley [361]

4. However, you can do this in a Calculator.

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3 years ago
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Una torre de 28.2 m de altura esta situada a la orilla de un rio, desde lo alto del edificio el ángulo de depresión a la orilla
Svet_ta [14]

Answer:

El ancho del río es 59.9 metros.

Step-by-step explanation:

El ancho del río lo podemos calcular con la siguiente relación trigonométrica asumiendo que la torre forma un triángulo rectángulo con el río:

tan(\theta) = \frac{CO}{CA}

En donde:

CA: es el cateto adyacente = Altura de la torre = 28.2 m

CO: es el cateto opuesto = ancho del río =?

θ: es el ángulo adyacente a CA

Dado que el ángulo de depresión (25.2°) está ubicado fuera de la parte superior de la hipotenusa del triángulo que forma la torre con la orilla opuesta del río, debemos calcular el ángulo interno (θ) como sigue:

\theta = (90 - 25.2)^{\circ} = 64.8 ^{\circ}

Ahora, el ancho del río es:

CO = tan(\alpha)*CA = tan(64.8)*28.2 = 59.9 m

Por lo tanto, el ancho del río es 59.9 metros.

Espero que te sea de utilidad!                  

4 0
3 years ago
Is the answer option c?
Aleonysh [2.5K]

Answer:

yes

Step-by-step explanation:

f(x) = x^2 -1

Hope it helps!!

3 0
3 years ago
The base of the figure shown is a cube with sides that are 12 inches long. The total height of the figure is 20 inches. The slan
elena-s [515]
It should be 960 square inches! :)
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4 years ago
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