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3 years ago

For the given circle, find the value of x and y.

Mathematics

1 answer:

iren2701 [21]3 years ago

4 0

We’re is the problem there is no picture

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Find (2.2 x 107)(5 x 108) (2.5 x 103)(8.8 x 105) expressed in scientific notation.

jarptica [38.1K]

Answer:

Scientific notation of the multiplication is $2.42\times 10^{25}$

Step-by-step explanation:

$(2.2\times 10^{7})(5\times 10^{8})(2.5\times 10^{3})(8.8\times 10^{5} )$

= $(2.2\times 5\times 2.5\times 8.8)10^{(7+8+3+5)}$

[Since $10^{a}\times 10^{b}=10^{(a+b)}$ ]

= $242\times 10^{23}$

= $2.42\times 10^{25}$

Therefore, the scientific notation of the multiplication is $2.42\times 10^{25}$

5 0

3 years ago

Read 2 more answers

Five less than twice the value of a number is equal to three times the quantity of four more than one-half the number. What is t

Artyom0805 [142]

Answer:

2x - 5 = (1/2)

4x - 10 [multiply by 2]

x - 10 = -13 [subtract 3x from both sides]

x = -3 [add 10 to both sides]

Step-by-step explanation:

8 0

3 years ago

From midnight to 6:00 a.m., the temperature rose 8°C. At 6:00 a.m., the temperature was –20°C. What was the temperature at midni

Snowcat [4.5K]

The temp. started at -20. If it rose +8 degrees, then it would be -20+8=-12, because since the -20 and +8 are opposites, you would subtract them and the answer would have the sign of the larger number which is -. so -12 is the answer.

7 0

3 years ago

Read 2 more answers

Find the vertex and axis of the graph of the function f(x)=3(x-1)^2+5

UNO [17]

This function is in vertex form: f(x)=a(x-h)^2 - k
Where (h , k) is the vertex. x=h is the axis of symmetry.
Vertex (1,-5) axis of symmetry x = 1

5 0

4 years ago

Solve the formula V = 1/3b^2 h for b.

liraira [26]

Answer:

$b=\sqrt{\frac{3V}{h}}$

Step-by-step explanation:

To solve a formula for one of its variables do that

Underline the variable

Separate it on one side and the other terms on the other side

Make its coefficient equals 1

Let us use these steps to solve our question

∵ V = $\frac{1}{3}$ b²h

→ Underline b

∴ V = $\frac{1}{3}$ <u>b²</u>h

→ Multiply both sides by 3 to cancel the denominator on the right side

∴ 3V = <u>b²</u>h

→ Divide both sides by h to move it to the other side

∴ $\frac{3V}{h}=b^{2}$

→ To find b take √ for both sides

∴ $\sqrt{\frac{3V}{h}}=\sqrt{b^{2} }$

→ The square root will cancel the power 2 of b

∴ $\sqrt{\frac{3V}{h}}=b$

→ Switch the two sides

∴ $b=\sqrt{\frac{3V}{h}}$

3 0

3 years ago