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vlabodo [156]
3 years ago
12

Help me please this will help my grade !

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
7 0

Answer:

Point D

Step-by-step explanation:

the square root of 45 is a little over 6 so point D would be the obvious choice knowing this information

Leni [432]3 years ago
5 0

Answer:

Point D

Step-by-step explanation:

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Change 35:14 to a decimal number
tatiyna

Answer:

35/14 as a decimal = 2.5 · 35/14 in decimal form = 2.5 · Thirty-five fourteenths as a decimal = 2.5 · 35 over 14 as a decimal = 2.5

5 0
2 years ago
Find the perimeter and area of the following using pie=3.14
dimaraw [331]

To solve this question we will use the following diagram:

From the diagram, we get that the diameter of the semicircle is 8cm.

The perimeter of the figure is:

P=14\operatorname{cm}+4\operatorname{cm}+6\operatorname{cm}+\pi\cdot8\operatorname{cm}\text{.}

Substituting π=3.14 and simplifying we get:

\begin{gathered} P=14\operatorname{cm}+4\operatorname{cm}+6\operatorname{cm}+25.12\operatorname{cm}, \\ P=49.12\operatorname{cm}\text{.} \end{gathered}

Now, the area of the given figure is the area of the rectangle plus the area of the semicircle:

A=14\operatorname{cm}\times4\operatorname{cm}+\frac{\pi\cdot(4\operatorname{cm})^2}{2}\text{.}

Substituting π=3.14 and simplifying we get:

\begin{gathered} A=56cm^2+25.12cm^2, \\ A=81.12cm^2. \end{gathered}

Answer:

\begin{gathered} \text{Perimeter}=\text{ 49.12cm,} \\ \text{Area}=\text{ 81.12 cm}^2. \end{gathered}

8 0
1 year ago
Which is the equation of the line with slope 0 passing through the point (-2,-5)?
nignag [31]

Answer:

Y=0-5

This is if your doing slope-intercept equations

5 0
3 years ago
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14 days to finish the box of juice (2 weeks)
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3 years ago
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Find the other x-intercept for the parabola defined by this equation: y=-4x^2+12x-8
bazaltina [42]

So, to find the x intercepts we first set x to 0 to get:

0=-4x^2+12x-8

Then, notice that all the terms are divisible by -4 so we can divide it out to get:

0=x^2-3x+2

Now, we want to see what two numbers add to -3 and multiply to 2. These two numbers have to both be negative, and the only two factors of 2 are 2 and 1, so our two numbers are -1 and -2. Now, we split -3x into -x and -2x and finish factoring:

0=x^2-x-2x+2 \implies \\ 0=x(x-1)-2(x-1) \implies \\ 0=(x-2)(x-1) \implies \\ x-1=0\implies x=1\\ x-2=0 \implies x=2 \\ x=1,x=2

Our two x intercepts would be (1,0) and (2,0).

6 0
3 years ago
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