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3 years ago

7^2 + 5 + 8 + 9 = plz help i am in six grade

Mathematics

1 answer:

djverab [1.8K]3 years ago

6 0

Answer:

Step-by-step explanation:

plz mark brainlest

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When he was measuring herbs on his balance scale, Neville placed a 1/2 gram weight, then a 1/5 gram weight, and finally a 1/8 gr

Delvig [45]

Answer: $\dfrac{33}{40}\ gm$

Step-by-step explanation:

Given

Neville place three weights in the sequence

$\dfrac{1}{2}\ gm,\dfrac{1}{5}\ gm,\dfrac{1}{8}\ gm$

The total weight of the three weights is

$\Rightarrow \dfrac{1}{2}+\dfrac{1}{5}+\dfrac{1}{8}=\dfrac{20+8+5}{40}\\\\\Rightarrow \dfrac{33}{40}\ gm$

Thus, herbs weigh $\frac{33}{40}\ gm$

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3 years ago

What set of transformations could be applied to rectangle ABCD to create A'B'C'D'?

sergeinik [125]

Answer:

3 or 4 i belive

Step-by-step explanation:

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3 years ago

How many lines of symmetry does the figure have? A. 0 B. 1 C. 2 D.4

lord [1]

The answer of this question is 4

4 0

4 years ago

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A rectangular piece of paper has a width that is 3 inches less than its length. It is cut in half along a diagonal to create two

Oliga [24]

Let

x-------> the length of the rectangle

y------> the width of the rectangle

we know that

The area of the rectangle is equal to

$A=x*y$

The area of the two congruent right triangles is equal to the area of the rectangle

$A=2*44=88\ in^{2}$

$88=x*y$ -------> equation A

$y=x-3$ -----> equation B

Substitute equation B in equation A

$x*[x-3]=88$

$x^{2} -3x-88=0$ --------> equation that can be used to solve for the length of the rectangle

Using a graph tool-------> solve the quadratic equation

see the attached figure

The solution is

$x=11\ in$ -----> the length of the rectangle

Find the value of y

$88=11*y$

$y=8\ in$ ----> the width of the rectangle

Statements

case A) The area of the rectangle is $88$ square inches

The statement is True

See the procedure

Case B) The equation $x*[x-3]=44$ can be used to solve for the dimensions of the triangle

The statement is False

Because, the equation $x*[x-3]=88$ can be used to solve for the dimensions of the triangle

case C) The equation $x^{2} -3x-88=0$ can be used to solve for the length of the rectangle

The statement is True

see the procedure

case D)The triangle has a base of $11$ inches and a height of $8$ inches

The statement is True

Because, the base of the triangle is equal to the length of the rectangle and the height of the triangle is equal to the width of the rectangle

case E) The rectangle has a width of $4$ inches

The statement is False

See the procedure

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3 years ago

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What s 360 seconds in hours?

Deffense [45]

360 second = 0.1 hour

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3 years ago

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