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Aleksandr [31]
3 years ago
6

Please help me quickly :)

Mathematics
1 answer:
Otrada [13]3 years ago
4 0

Answer: The answer is B.

Step-by-step explanation:

Angle ABC is a straight angle, which is 180 degrees, so you can rule out answers C and D.

For angle EBG, simply count the measures of the angle on the protractor. From the right, you start at 55. You end at 100. Subtract 55 from 100 to get a measure of 45 degrees.

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Use the quadratic formula to solve the equation
azamat

Answer:

=3

=2

Step-by-step explanation:

12−5+6=0

using the Quadratic Formula where

a = 1, b = -5, and c = 6

=−±2−4‾‾‾‾‾‾‾‾√2

=−(−5)±(−5)2−4(1)(6)‾‾‾‾‾‾‾‾‾‾‾‾‾‾√2(1)

=5±25−24‾‾‾‾‾‾‾√2

=5±1‾√2

The discriminant 2−4>0

so, there are two real roots.

Simplify the Radical:

=5±12

=62=42

which becomes

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hope this helps :)

7 0
3 years ago
A collection of 30 coins consists of dimes and nickels. The total value is ​$1. 95How many dimes are​ there?
Nonamiya [84]
21 nickels and 9 dimes
8 0
3 years ago
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Is 152 points in 8 games<br> 171 points in 9 games equivalent
max2010maxim [7]

Answer:

Yes, they are equivalent.

3 0
3 years ago
The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 1000 years?
adell [148]

Answer: 129.33 g

Step-by-step explanation:

$$Let $p=A \cdot e^{n t}$ \\$(p=$ present amount, $A=$ initial amount, $n=$ decay rate, $t=$ time)

\begin{aligned}&\Rightarrow \text { Given } p=\frac{A}{2} \ a t  \ t=1590 \\&\Rightarrow \frac{1}{2}=e^{1590n} \Rightarrow n=\frac{\ln (1 / 2)}{1590}=-0.00043594162\end{aligned}

$$If $A=200 \mathrm{mg}$ and $t=1000$ then,$$\begin{aligned}P &=200 e^{\left(\frac{\ln \left(1/2\right)}{1590}\right) \cdot 1000} \text \\\\&=129.33 \text { grams}\end{aligned}$$

3 0
2 years ago
Do u know whats 103,727,495 in word for and expanded form
Studentka2010 [4]

Answer:

word form: One hundred three million seven hundred twenty seven thousand four hundred and ninety five.

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5 0
2 years ago
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