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AnnyKZ [126]
3 years ago
15

A map uses a scale of 1 in. : 25 mi. If the distance between two cities on the map is 3.5 inches, what is the actual distance be

tween the two cities?
Mathematics
1 answer:
Naya [18.7K]3 years ago
6 0
1/2 : 12.5
1 : 25
3 : 75

75 + 12.5 = 87.5
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Can anyone help I do t know how to find all seven angles
Svetllana [295]

Answer:

1. 110

2. 70

3. 70

4. 110

5. 110

6. 70

7. 70

Step-by-step explanation:

when to lines cross, opposite angles are equal so like 1 and 4 are equal

1, 4, and 5 are equal to 110

to find 2, 3, 6, and 7, subtract 110 from 180

7 0
3 years ago
Read 2 more answers
15. Explain why we need to specify 0 < b < 1 and b > 1 as valid values for the base b in the expression logb(xx).
damaskus [11]

Answer:

The base (b) has to be positive and different of 1. The logarithm is the inverse of exponential, so:

logb(a) = x ⇒ a = bˣ

So, for b = 0 ⇒ 0ˣ = a

And there is impossible, "a" only could be 0.

For b = 1 ⇒ 1ˣ = a

And the same thing would happen, the logarithming would be to be 1, and the function will be extremally restricted.

For b<0, then the expression a = bˣ will be also restricted, and will not represent all values of a.

So, 0<b<1 and b >1.

3 0
3 years ago
Suppose the equation of the axis of symmetry for a quadratic function is x = 3 and one of the x-intercepts is 8. What is the oth
soldi70 [24.7K]

Answer:

-2

Step-by-step explanation:

The axis of symmetry divides the quadratic exactly in half. If one x-intercept is 8, then the other will be the same distance on the other side of it. 8 is 5 from 3 where the axis of symmetry is. So 3-5 = -2. -2 will be the other intercept.

8 0
3 years ago
Yall I need help. Plz Help Me. PLZZZZZZ
Fiesta28 [93]

Answer:

Step-by-step explanation:

Pythagorean theorem,

hypotenuse²= base² + altitude²

base² = hypotenuse² - altitude²

x² = 14² - 9²

   = 196 - 81

    = 115

x = √115

x = 10.72

6 0
2 years ago
Last year , Henry opened an investment account with 5800. At the end of the year ,the amount in the account had increased by 29.
joja [24]

Answer:

  • Percent increase in dollar = $1,711
  • Total in account = $7,511

Step-by-step explanation:

The money in the account had increased by 29.5%.

This increase in dollars is:

= Amount in account * percentage increase

= 5,800 * 29.5%

= 5,800 * 0.295

= $1,711

The total in his account was therefore:

= Amount invested + increase

= 5,800 + 1,711

= $7,511

8 0
3 years ago
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