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e-lub [12.9K]
3 years ago
9

Why is estimate usually greater than or less than the exact sum of two numbers?

Mathematics
1 answer:
pishuonlain [190]3 years ago
3 0

Answer:

an estimate is just a close guess without knowing the exact numver

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Un tubo puede contener 35 l de agua por metro si mide 97 metros ¿Cuanto pesara el agua que contiene al es lleno
Mariana [72]

Respuesta:

3395 L

Explicación paso a paso:

Dado que el tubo contiene 35 L de agua por metro.

Esto significa que el volumen por metro del tubo es de 35 litros.

Longitud total del tubo = 97 metros

Volumen de agua en toda la longitud del tubo:

Volumen por metro * 97

35 L * 97

= 3395 litros

Por lo tanto, peso cuando está lleno = 3395 L

5 0
2 years ago
A line passes through the point (-8, 6) and has a slope of 3/2
Vladimir79 [104]

Answer:

y-6=3/2(x+8)

Step-by-step explanation:

so the point slope form is  y-y₁=m(x-x₁)

so enter the points (-8, 6)

y-6= 3/2(x-(-8))

y-6=3/2(x+8)

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3 years ago
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The first one is a triangle because: The two smaller sides of a triangle must add up to be larger than the longest side.
14 + 12 = 26 > 19
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Subtract. Use models if needed.<br><br><br> (12x + 3) – (2x + 10)
Galina-37 [17]
1.)combine like terms: 12-2x=10x 3-10=-7

10x-7
4 0
2 years ago
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I need help with this, neither of my parents can help me and i want to understand.
olga2289 [7]

Answer:

See explanation

Step-by-step explanation:

1. To rewrite the expression

(4^{\frac{2}{5}})^{\frac{1}{4}},

use exponents property

(a^m)^n=a^{m\cdot n}

So,

(4^{\frac{2}{5}})^{\frac{1}{4}}=4^{\frac{2}{5}\cdot \frac{1}{4}}=4^{\frac{2}{20}}=4^{\frac{1}{10}}

2. Why 10^{\frac{1}{3}}=\sqrt[3]{10}?

Raise both sides to 10 power:

(10^{\frac{1}{3}})^3=10^{\frac{1}{3}\cdot 3}=10^1=10\\ \\(\sqrt[3]{10})^3=10

So,

(10^{\frac{1}{3}})^3=(\sqrt[3]{10} )^3

3. Simplify \dfrac{3^4}{9}

Use  the Quotient of Powers Property:

\dfrac{a^m}{a^n}=a^{m-n}

Then

\dfrac{3^4}{9}=\dfrac{3^4}{3^2}=3^{4-2}=3^2

4. Solve 4\sqrt{2}+5\sqrt{4}

First, note that \sqrt{4}=2, then

4\sqrt{2}+5\sqrt{4}=4\sqrt{2}+5\cdot 2=4\sqrt{2}+10

Number 4\sqrt{2} is irrational number, number 10 is rational number. The sum of irrational and rational numbers is irrational number.

5. The same as option 4.

3 0
2 years ago
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