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Allushta [10]
3 years ago
11

Use the information to answer the question.

Mathematics
1 answer:
finlep [7]3 years ago
7 0
There are about 4 because the final answer will be 3.81
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Part B
astra-53 [7]

Answer:

Rylee spent $25 for fuel at the gas station. This money is leaving her bank account, so represent the amount with a negative sign: -$25.

Step-by-step explanation:

None. the expression explains it.

7 0
3 years ago
In triangle $ABC$, the angles $\angle A$, $\angle B$, $\angle C$ form an arithmetic sequence. If $\angle A = 23^\circ$, then wha
LenKa [72]

Answer:

97^0

Step-by-step explanation:

Given that the angles A, B, C in a Triangle form an arithmetic sequence where A=23 degrees.

The nth term of an Arithmetic sequence is given by the formula: T_n=a+(n-1)d

Where:

a=first term

n=number of term

d=common difference

In this case,

Angle \:A, a=23^0

Angle B, T_2=23+(2-1)d=(23+d)^0\\Angle C, T_3=23+(3-1)d=(23+2d)^0

The sum of angles in a triangle is 180 degrees. Therefore:

∠A+∠B+∠C=180 degrees

23^0+(23+d)^0+(23+2d)^0=180\\69^0+3d=180^0\\3d=180^0-69^0\\3d=111^0\\d=37^0

Therefore:

Angle C,

(23+2d)^0=(23+2(37))^0=23+74\\C=97^0

6 0
3 years ago
The numbers a, b and c satisfy a+b+c = 0 and abc = 78. What is<br>the value of (a+b)(b+c)(c+a)?​
djyliett [7]

Answer:

(a+b)(b+c)(c+a)=-78

Step-by-step explanation:

We are given that the numbers a, b and c

a+b+c=0   ....(1)

abc=78    ..... (2)

We have to find the value of (a+b)(b+c)(c+a).

From equation we get

a+b=-c

b+c=-a

a+c=-b

Substitute the values then we get

(a+b)(b+c)(c+a)=(-c)(-a)(-b)

(a+b)(b+c)(c+a)=-abc

Using equation (2) we get

(a+b)(b+c)(c+a)=-78

Hence, the value of (a+b)(b+c)(c+a) is -78.

6 0
3 years ago
Please help me with this stuff, thanks.
zysi [14]
This is really ominous
4 0
3 years ago
How many students are enrolled in all?
galben [10]
Do u mean all honors I’m just gonna answer the questions so yes and no
3 0
3 years ago
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