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Ymorist [56]
3 years ago
7

Which expression is equivalent to a + a -0.34a? a. 1.34a b. 2a -0.66 c. a -0.34 d. 1.66a​

Mathematics
1 answer:
Setler [38]3 years ago
8 0

Answer: d.1.66a

Step-by-step explanation:

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Use this attachment to answer 1-3
nignag [31]
Simple,

1.) A vertical angle, is an angle directly across another angle. Thus, <2 and <5 are vertical angles.

2.)This is another pair of vertical angles, thus, m<4 is 53.

3.)Since m<1 is 50

You have the m<4 which is 50. You already have m<3 which is the right angle, 90. 

Thus, 90+50=140

You know a line is supposed to be 180 degrees. So take,

180-140=40

Thus, the m<5 is 40.
5 0
3 years ago
Math ... answer meeee
zloy xaker [14]

You need to find the GCF (greatest common factor) of 45 and 90, which is 45.

45 times ? gets you 45

? would be 1

45 times 1 equals 45.

45 times ? gets you 90

? would be 2

45 times 2 equals 90

45(1+2) = 45+90 = 135

♡ Hope this helps! ♡

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7 0
3 years ago
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Allisa [31]

Answer:

24

Step-by-step explanation:

18+12-6

6 0
2 years ago
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The arithmetic sequence a; is defined by the formula:
Morgarella [4.7K]

Answer:

The sum of the first 650 terms of the given arithmetic sequence is 2,322,775

Step-by-step explanation:

The first term here is 4

while the nth term would be ai = a(i-1) + 11

Kindly note that i and 1 are subscript of a

Mathematically, the sum of n terms of an arithmetic sequence can be calculated using the formula

Sn = n/2[2a + (n-1)d)

Here, our n is 650, a is 4, d is the difference between two successive terms which is 11.

Plugging these values, we have

Sn = (650/2) (2(4) + (650-1)11)

Sn = 325(8 + 7,139)

Sn = 325(7,147)

Sn = 2,322,775

6 0
3 years ago
The? ___________ is a value used in making a decision about the null hypothesis and is found by converting the sample statistic
maks197457 [2]
The test statistic <span>is a value used in making a decision about the null hypothesis and is found by converting the sample statistic to a score with the assumption that the null hypothesis is true. </span>
6 0
3 years ago
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