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zaharov [31]
3 years ago
14

Gabriel surveyed 1000 of the students in his school about their favorite color. 55% said their favorite color was purple. How ma

ny students' favorite color was purple?
Mathematics
2 answers:
fenix001 [56]3 years ago
8 0

Answer:

550 students

Step-by-step explanation:

Leto [7]3 years ago
5 0

Answer:

550 students

Step-by-step explanation:

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What is the volume of the pyramid? PF
Sergeeva-Olga [200]
Volume = 1/3 * area of base * height
            = 1/3 * 11^2 * 12
            = 484 cm^3
4 0
3 years ago
9. Alicia Martin's savings account has a principle of $1,200. It earns 6% interest compounded quartly
zavuch27 [327]

Answer:

9) \$1236.27\,10)\,\$6451.07\, 11)\,\$10,152.87 \,12)\,\$907.95 \,13)\,\$4957.69

Step-by-step explanation:

9) Since Alicia Martin's savings earns 6% quarterly for two quarters then:

A=P(1+\frac{r}{n})^{nt} ⇒ Amount (A), Principle (P), rate (r) in decimal form, number of compoundings (n) a year and t, in year or its fractions.

A=P(1+\frac{r}{n})^{nt}\Rightarrow A=1200(1+\frac{0.06}{4})^{4*\frac{1}{2}}\Rightarrow A=\$1236.27

10) Aubrey Daniel's case:

A=P(1+\frac{r}{n})^{nt}\Rightarrow A=5725(1+\frac{0.04}{4})^{4*3}\Rightarrow A\approx \$6451.07

11) As for Angelo, similarly to Alicia.

A=P(1+\frac{r}{n})^{nt}\Rightarrow A=9855(1+\frac{0.06}{4})^{4*\frac{1}{2}}\Rightarrow A\approx \$10,152.87

12) Simpson's. For semiannual n=2

A=P(1+\frac{r}{n})^{nt}\Rightarrow A=860(1+\frac{0.055}{2})^{2*1}\Rightarrow A\approx \$907.95

13) Jana Lacey amount:

A=P(1+\frac{r}{n})^{nt}\Rightarrow A=4860(1+\frac{0.04}{4})^{4*\frac{1}{2}}\Rightarrow A\approx \$4957.69

6 0
3 years ago
Which equation represents a proportional relastionship that has a constant of proportionality equal to 4/5
enyata [817]

Answer:

y= 4/5x

Step-by-step explanation:

A proportional relationship has an equation of the form y = mx. It passes through the origin.

y= 4/5x is the only equation which is in this form.

6 0
3 years ago
What is the sum to the equation 6 = 1/2z
mel-nik [20]
Z=72, i was working on it and that’s what i got
3 0
3 years ago
Read 2 more answers
Area of 16+8×+×^2meters. What is the side length
wolverine [178]

Answer:

  x +4

Step-by-step explanation:

The trinomial x² +8x +16 is a perfect square trinomial, so factors as ...

  x² +8x +16 = (x +4)²

Assuming the side length is one of the factors of the given area, it will be ...

  side length = (x +4)

5 0
3 years ago
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