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12345 [234]
3 years ago
9

Answer #5,6,7,8,9,10

Mathematics
2 answers:
MatroZZZ [7]3 years ago
7 0
5)\ -2\times\frac{3}{7}=-\frac{2\times3}{7}=-\frac{6}{7}\\\\6)\ -2\frac{2}{3}\times4\frac{1}{10}=-\frac{8}{3}\times\frac{41}{10}=-\frac{4}{3}\times\frac{41}{5}=-\frac{164}{15}=-10\frac{14}{15}\\\\7)\ -2\frac{1}{5}\times(-1\frac{3}{4})=-\frac{11}{5}\times(-\frac{7}{4})=\frac{77}{20}=3\frac{17}{20}\\\\8)\ -1\frac{1}{4}\times9=-\frac{5}{4}\times9=-\frac{45}{4}=-11\frac{1}{4}\\\\9)\ -1\frac{5}{7}\times(-2\frac{1}{2})=-\frac{12}{7}\times(-\frac{5}{2})=\frac{6}{7}\times\frac{5}{1}=\frac{30}{7}=4\frac{2}{7}

1)\ -2\frac{3}{8}\times2\frac{1}{2}=-\frac{19}{8}\times\frac{5}{2}=-\frac{95}{16}=-5\frac{15}{16}
777dan777 [17]3 years ago
6 0

Answer:

Step-by-step explanation:

-5 5/16

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Reina's family is taking a road trip. Their car can travel no more than 304 miles without needing to refill the gas tank. They h
Natalka [10]

Solving the inequality, it is found that the correct interpretation of the solution is:

Reina's family can drive 83 more miles before they need to refill the gas tank.​

The amount x of miles they can still travel is modeled by the following inequality:

221 + x \leq 304

To solve it, we treat it similarly to an equality, hence:

x \leq 304 - 221

x \leq 83

Hence:

Reina's family can drive 83 more miles before they need to refill the gas tank.​

A similar problem is given at brainly.com/question/11713066

5 0
3 years ago
What number is 4 times as many as 25
Oduvanchick [21]
This is a standard relationship/systems of equations question.  Here is how you attack it.  Firstly, set up equations to represent the relationships. Ed = 4*Kim That shows that Ed has four times as many pins as Kim.  Next, we see that the two have 25 together.  So: Ed + Kim = 25 Now we have our two equations.  In order to solve, we need to get one of the equations down to one variable.  We can achieve this via substitution.  The first equation tells us that we can substitute 4*Kim for Ed (in the second equation).  So, let's do just that: 4*Kim + Kim = 255*Kim = 25Kim = 5 Using the first equation again, we can solve for Ed: Ed = 4*KimEd = 4*(5)<span>Ed = 20</span>
6 0
3 years ago
Read 2 more answers
Name the algebraic property demonstrated in the example below: (1 point) 4(x + y) = 4x + 4y
svet-max [94.6K]

Answer:

distributive property

Step-by-step explanation:

distributive property, because 4 carries over to each variable and then the two product are added.

4(x+y)=4x+4y

6 0
3 years ago
How does the value of log Subscript 2 Baseline 100 compare with the value of Log Subscript 6 Baseline 20?
SCORPION-xisa [38]

Answer:

  • The value of   \log_2 100   is about 4 times the value of    \log_6 20

Explanation:

<u>1. Change of base rule</u>

       \log_ab=\dfrac{\log_{10}b}{\log_{10}a}=\dfrac{\log b}{\log a}

<u>2. Apply change of base rule to each of the given logarithm</u>

       \log_2 100=\dfrac{\log 100}{\log 2}\approx 6.64

       \log_6 20=\dfrac{\log 20}{\log 6}\approx 1.67

<u>3.Compare</u>

          \dfrac{6.64}{1.67}\approx 3.97\approx 4

<u>4. Conclusion</u>

The value   \log_2 100   is about 4 times the value of   \log_6 20

3 0
3 years ago
Read 2 more answers
Write the equation of a circle with a center at (0, 8) and a radius of 9.
pshichka [43]

Answer:

x^2 + (y-8)^2= 81

Step-by-step explanation:

the equation of a circle with a center at (0, 8) and a radius of 9.

To frame the equation of the circle we use center radius form of equation

(x-h)^2 + (y-k)^2= r^2

Where (h,k) is the center and 'r' is the radius

Given center is (0,8) and radius = 9

h = 0 , k= 8 and r= 9

Plug in all the values

(x-h)^2 + (y-k)^2= r^2

(x-0)^2 + (y-8)^2= 9^2

x^2 + (y-8)^2= 81

3 0
3 years ago
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