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strojnjashka [21]
2 years ago
10

Factor -4 + 8a - 4a^2

Mathematics
2 answers:
adoni [48]2 years ago
8 0

Answer:

-4(a-1)^2

Step-by-step explanation:

just did the assignment

tatiyna2 years ago
7 0

Answer: 4(−a+1)(a−1)

Step-by-step explanation:

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The ratio of paws to tails at the dog kennel is 4:1 , because for every 4 paws there is 1 tail. If there are 25 tails in the ken
mamaluj [8]

Answer:

100 paws

Step-by-step explanation:

the ratio is 4:1 and you need to know is how many paws there are for 25 tails. if you divide 25 by 1 the answer is 25 and if you multiply 1 by 25 you get 25 and if you multiply 4 by 25 you get 100. (you multiply 4 by 25 because 1 was multiplied by 25 to get the amount of tails)

7 0
3 years ago
Which of the following is equivalent to 24g – 16g?
EleoNora [17]

Answer:

C

Step-by-step explanation:

g is distributed

6 0
2 years ago
Lines AC←→ and DB←→ intersect at point W. Also, m∠DWC=138° .
mr_godi [17]

m∠DWC=138°, ∠AWB = 138°, ∠AWD = 42°, ∠BWC = 42°

Solution:

Line \overrightarrow{A C} \text { and } \overrightarrow{B D} intersect at a point W.

Given m \angle D W C=138^{\circ}.

<em>Vertical angle theorem:</em>

<em>If two lines intersect at a point then vertically opposite angles are congruent.</em>

<u>To find the measure of all the angles:</u>

∠AWB and ∠DWC are vertically opposite angles.

Therefore, ∠AWB = ∠DWC

⇒ ∠AWB = 138°

Sum of all the angles in a straight line = 180°

⇒ ∠AWD + ∠DWC = 180°

⇒ ∠AWD + 138° = 180°

⇒ ∠AWD = 180° – 138°

⇒ ∠AWD = 42°

Since ∠AWD and ∠BWC are vertically opposite angles.

Therefore, ∠AWD = ∠BWC

⇒ ∠BWC = 42°

Hence the measure of the angles are

m∠DWC=138°, ∠AWB = 138°, ∠AWD = 42°, ∠BWC = 42°.

7 0
3 years ago
Y=x2+8x+10. complete the square
Rasek [7]
Y=10x+10
add the like terms together
8 0
3 years ago
Read 2 more answers
What is the answer to -134&gt;-a+2(-7-7a)
maw [93]

Answer:

the answer is a > 8

i hope this helps!!

6 0
3 years ago
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