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stira [4]
3 years ago
9

Joshua is w years old. His brother is 3 years older than he is.

Mathematics
1 answer:
balu736 [363]3 years ago
3 0
Joshua's age=w
Brother's age=w+3=x

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How do you solve (3c)³ - (c - 4d)²; c = -2 AND d = 5
algol13
You just plug in the values.

[3*(-2)]^3 - (-2 - 4*5)^2

(-6)^3 - ( - 2 - 20)^2

-216 - (-22)^2

-216 - (484)

-216 - 484

-700
8 0
3 years ago
Which is the slope of the line that passes through the points (−3,1) and (4,−2)?
dimaraw [331]

Answer:

The slope of the line is -\frac{3}{7} ⇒ B

Step-by-step explanation:

Let us revise the rule of the slope

The rule of the slope of the line is m = \frac{y2-y1}{x2-x1} , where

  • (x1, y1) and (x2, y2) are two points lie on the line

∵ The line passes through the point (-3, 1) and point (4, -2)

→ That means one of them is (x1, y1) and the other is (x2, y2)

∴ x1 = -3 and y1 = 1

∴ x2 = 4 and y2 = -2

→ Substitute them in the rule of the slope above to find it

∵ m = \frac{-2-1}{4--3} = \frac{-3}{4+3}

∴ m = -\frac{3}{7}

∴ The slope of the line is -\frac{3}{7}

4 0
3 years ago
How many moles are in 4.23 x 1024 formula<br> units of NaCl
Rashid [163]

Answer:

mol Fe3O4 6.022 x 1023 formula units Fe3O4 = 1.20 x 1024 formula units Fe3O4. 1 mol ... a-How many moles of sodium chloride does the can of salt contain?

Step-by-step explanation:

4 0
3 years ago
Supongamos que estás en el infierno y el diablo te reta a un juego. Él piensa en un número natural.Cada día, tú tendrás una opor
Blababa [14]

Answer:

En síntesis, se inicia con el número natural más pequeño en el primer y se prosigue con los números siguientes en caso de no dar con n, de modo que el participante pasará en el infierno únicamente n días, algo pequeño en comparación con la eternidad.

Step-by-step explanation:

Los números naturales comprenden el subconjunto más pequeño de los números reales conformado por los siguientes elementos:

\mathbb{N} = \{1,2,3,4,...\}

Sea n \in \mathbb{N} el número que tiene el diablo en su mente, tal que n \geq 1. Comenzamos el primer día con 1, si este no corresponde con n. Entonces se utiliza 2 al día siguiente y este no corresponde, se emplea al día siguiente y así sucesivamente hasta conseguir n.

En síntesis, se inicia con el número natural más pequeño en el primer y se prosigue con los números siguientes en caso de no dar con n, de modo que el participante pasará en el infierno únicamente n días, algo pequeño en comparación con la eternidad.

6 0
3 years ago
What is 50% of $84?
tino4ka555 [31]
$42.
50% of 84 is the same as 84/2, which is 42.
6 0
4 years ago
Read 2 more answers
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