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almond37 [142]
1 year ago
7

Based only on the information given in the diagram, which congruence

Mathematics
1 answer:
Cloud [144]1 year ago
8 0

Answer:

It has been a while. I think it is ASA and AAS

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Angelica is currently 13 years old she is 2 years older than her brother. Write an equation to represent the situation.Solve ur
sdas [7]

Answer:

Therefore,

x+2=13 .......Equation

Angelica's Brother's age is 11 years old.

Step-by-step explanation:

Given:

Let the current age of Angelica's Brother be 'x' years old

Angelica's current age is 13 years old,

According to given condition,

Therefore the Equation will be,

x+2=13

On solving this equation we get

x=13-2=11\\\\x=11\ years

Therefore,

Angelica's Brother's age is 11 years old.

Therefore,

x+2=13 .......Equation

Angelica's Brother's age is 11 years old.

6 0
3 years ago
CAN SOMEONE PLEASE HELP ME PLEASE PLEASE!!!
Galina-37 [17]

Step-by-step explanation:

this is really simple : we only need to put the given x and y coordinate values into both equations and see, if both equations remain true.

(-2, -1) means x = -2, y = -1

first equation :

-1 = 3×-2 + 5 = -6 + 5 = -1

so, -1 = -1

true.

second equation :

-2 + -1 = -3

-3 = -3

true.

therefore, (-2, -1) is a solution to the linear system.

the point is the crossing point of both lines.

4 0
2 years ago
Graph the line containing the given pair of points and find the slope.<br> ​(​-2, 4​), ​(3, -2​,​)
Cloud [144]
Slope: -6/5

The graph is below :

3 0
3 years ago
the equation 7x-10y=30 is written in standard form. What is the first step when writing an equivalent equation which solves for
Nana76 [90]
You solve for y so then u subtract the 7x from 30 to get 30-7x equals -10 since the -10 has a variable it means u divide by -10 to the subtracting equation to get-3+7/10
4 0
3 years ago
Read 2 more answers
There are 350 Families lives in the small town of America. A poll of 50 families revealed the mean annual church contribution is
timofeeve [1]

Answer:

$550+/-$20.79

= ( $529.21, $570.79)

Therefore, the 95% confidence interval (a,b) = ( $529.21, $570.79)

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = $550

Standard deviation r = $75

Number of samples n = 50

Confidence interval = 95%

z(at 95% confidence) = 1.96

Substituting the values we have;

$550+/-1.96($75/√50)

$550+/-1.96($10.60660171779)

$550+/-$20.7889393668

$550+/-$20.79

= ( $529.21, $570.79)

Therefore, the 95% confidence interval (a,b) = ( $529.21, $570.79)

5 0
3 years ago
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