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Katarina [22]
3 years ago
7

I need help finding the area

Mathematics
1 answer:
Daniel [21]3 years ago
7 0

Answer:

i tihnk 11 is 86 sorrry if im wrong

Step-by-step explanation:

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Could someone please help answer this, thank you, will give brainliest, plz no spam (home work help) thanks!
kolezko [41]
A < -12

1/3a < -4
a < -12


Mark brainliest please
5 0
2 years ago
Read 2 more answers
What are the roots of the equation x^2+4x-5=f(x)
enyata [817]

Answer:

The roots are -5, 1.

Step-by-step explanation:

f(x) = x^2 + 4x - 5

The roots of a function are also the Ox intercepts, so basically we're finding when is the function equal to '0'.

x^2 + 4x - 5 = 0\\(x-1)(x+5) = 0\\x_1 = 1, x_2 = -5

3 0
3 years ago
What is the explict formula for the arithmetic sequence -7.5,-9,-10.5,-12
elena-14-01-66 [18.8K]

Answer:

<u>x = -7.5 - 1.5(n−1) </u>

Step-by-step explanation:

the explicit formula for the arithmetic sequence has the form

x = a + d(n−1)

a is the first term and d is the common difference

The given arithmetic sequence is

-7.5,-9,-10.5,-12

The first term is -7.5

d = common difference = -9 - (-7.5) = -1.5

∴ x = -7.5 - 1.5(n−1)

8 0
3 years ago
Estimate by rounding both numbers to tens and then multiplying.<br> 22 x 47 is approximately
Diano4ka-milaya [45]

Answer:

the answer is 1060

Step-by-step explanation:

1064 rounded by tens is 1064

8 0
3 years ago
Read 2 more answers
Given line BD is congruent to BC, find the measure of angle B
Degger [83]
If BD is congruent to BC, that means that the sides are equal, so their angles are too.
6x-9 = 3x+24
3x = 33
x = 33/3
x = 11
Angle BCD:
6×11-9 = 66-9 =57°
Angle BDC:
3×11+24 = 33+24 = 57°
Angle B:
x = 180° - 2×57°
x = 66°
5 0
3 years ago
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