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elena55 [62]
2 years ago
14

Help math :DD:D::D:D:D:D:D:

Mathematics
1 answer:
ASHA 777 [7]2 years ago
3 0

Answer:2x<26 so x<13 which is the second one

Step-by-step explanation:

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Find the measure of a.
Nostrana [21]

Answer:

50 degrees

Step-by-step explanation:

We know that an inscribed angle in a circle is 1/2 the arc that it inscribes. So, therefore the arc is inscribed by the 25 degrees is 50. Assuming that the center of the circle is O, the center angle will be the arc measure. Knowing this, angle a is 50 degrees. If you're curious about all these theorems, they can be proved using similar triangles.

fyi, using the same logic, angle b is 25 degrees

8 0
2 years ago
A mountain's peak is 1,224 meters above sea level while the valley is 39 meters below sea level. What is the elevation drop betw
vazorg [7]
The answer is

1,224+39= 1,263
3 0
3 years ago
Read 2 more answers
Write the product of -2 and (3 - 5a) as the sum of two factors
NARA [144]

-6 + 10a


-2x3=6 and -2x-5a is 10a

7 0
2 years ago
8.25 × 10–4 in standard form.
Elanso [62]

The 10^-4 means that the decimal point is 4 places to the left of where it is in 8.25 (if the exponent was positive the decimal point would be to the right). If you move the decimal point 4 places to the left you get an answer of 0.000825 which is 8.25 * 10^-4 in standard form.

7 0
2 years ago
Solve the system of equations using the elimination method. 1.Solve {x + 3y = -15
shutvik [7]

An equation is formed of two equal expressions. The solution is (-9,-2).

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Given the equation x + 3y = -15 and -3x + 2y = 23,

Step 1- Multiply the equations to make the coefficients match in either the x- or y-variable.

x + 3y = -15

3x + 9y = -45

Step2- After you multiply, add or subtract the two equations.

3x + 9y -3x + 2y = -45 + 23

Step 3- Then solve for the variables that is left.

11y = -22

y = -2

Step4- Substitute the value of y in any one of equations to solve for x.

x + 3(-2) = -15

x - 6 = -15

x = -9

Hence, The solution is (-9,-2).

Learn more about Equation:

brainly.com/question/2263981

#SPJ1

5 0
2 years ago
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