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Irina-Kira [14]
2 years ago
11

Evaluate the expression: 12.6(2 – 3) + 26 - 4 A. – 4.6 B. 3.4 C. 21.55 D. 12.85

Mathematics
1 answer:
svp [43]2 years ago
6 0

Answer:

The answer so simplyfjdjdnxkxndndjxjfnfngkdjsjajajjdjfj the answer is D

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Help with trigonometry​
diamong [38]

Answer:

cos ∠CBD = - 4√41 / 41

Step-by-step explanation:

AB = 4      ΔABC = (4 x AC) / 2 = 10

AC = 5

BC = √5² + 4² = √41

cos ∠CBD = cos (180° - ∠CBA) = cos 180° cos ∠CBA + sin 180° sin ∠CBA

(cos 180° = - 1          sin 180° = 0       cos ∠CBA = 4 / √41 )

cos ∠CBD = (-1) x cos  ∠CBA = - 4 / √41 = - 4√41 / 41

4 0
3 years ago
Given a polynomial function f(x), describe the effects on the y-intercept, regions where the graph is increasing and decreasing,
Jobisdone [24]
A.  When f(x) becomes g(x) = f(x) + 2, the graph of f(x) is shifted upward 2 units.

B  The graph of f(x) is reflected in the x-axis and then vertically compressed by a factor of 1/2.
7 0
3 years ago
The figure shows a line graph and two shaded triangles that are similar:
dlinn [17]

True:

3rd One

4th One

False: All of the others.

It's a straight line, so it is going to have straight qualities and straight inequalities throughout the graph.

8 0
3 years ago
Does anyone have a word problem idea for this equation 1.25x = 0.75x + 50
PSYCHO15rus [73]

Answer: Keke, do you love me? Are your riding?



Idk either.


Tips: make it something about money, and the k should stand for kittens

5 0
3 years ago
How would you justify that triangle G'H'I' is congruent to MNO?
Citrus2011 [14]

The triangle G'H'I' is congruent to MNO because they have two angles and the included side equal, therefore, the congruence criteria is ASA.

Answer: ASA

3 0
1 year ago
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