4 years ago

PLEASE HELPPPPPP!!

Mathematics

2 answers:

Sergeeva-Olga [200]4 years ago

6 0

This transformation is called a rotation.

masya89 [10]4 years ago

4 0

I'm pretty sure the answer to this is translation.

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Help asap please!! Find the measure of y. A. 43 B. 53 C. 90 D. 47

Amiraneli [1.4K]

Answer:

$y=43$

Step-by-step explanation:

$y=2(90-46)/2$

$y=43$

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3 years ago

Clare used 25% less butter this month than last month when baking holiday treats. If she used 240 tablespoons of butter last mon

max2010maxim [7]

Answer:

180 tablespoons

Step-by-step explanation:

240×.25=60

240-60=180

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3 years ago

Read 2 more answers

Write 343 with an exponent by using 7 as the base

pochemuha

7^3 = 343

7×7=48
7×7×7=343

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4 years ago

Read 2 more answers

Please can’t you help me!! REALY FAST PLEASE

olganol [36]

Answer:

65%

Step-by-step explanation:

this is because the decrease of price is 247 amd if u divide by original its 65%

6 0

3 years ago

Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -6 and 162, respectively.

Vesna [10]

Answer:

b. an = 2 • (-3)^(n - 1)

Step-by-step explanation:

Before we test a solution or two, we can easily discard most of them.

We see the values alternate of signs (-5 for the 2nd term and +162 for the 5th term)... so the progression factor has to be negative (in order to alternate sign). That already excludes answers A and C.

Normally, a geometric progression has the (n-1) exponent, not (n+1), so our chances seem to be better with B.

We can test both D and B with n = 2, to obtain -6

Let's test answer D before:

$a_{2} = 2 * (-3)^{2+1} = 2 * (-3)^{3} = 2 * -27 = -54$

The result is -54, not -6... so it's not the right result.

Let's test answer B then:

$a_{2} = 2 * (-3)^{2-1} = 2 * (-3)^{1} = 2 * -3 = -6$

Right! Let's verify with n=5 to get 162:

$a_{5} = 2 * (-3)^{5-1} = 2 * (-3)^{4} = 2 * 81 = 162$

Confirmed, answer is B. an = 2 • (-3)^(n - 1)

3 0

3 years ago