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mixas84 [53]
3 years ago
13

Given that y = 9x+4 -3(7 + x ) when x=3.2

Mathematics
1 answer:
djyliett [7]3 years ago
4 0

9(3.2)+4-3(7+3.2)=2.2

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The graph of the function f(x) = (x +2)(x + 6) is shown below. What is true about the domain and range of the function? The doma
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the answer is The domain is all real numbers, and the range is all real numbers greater than or equal to –4.

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Hector is dividing students into groups for an HR wants to divide the boys and girls so that each group has the same number of t
Roman55 [17]

Answer:

7 groups, 3 boys and 8 girls

Step-by-step explanation:

Let total number of groups be x

and total hikers in one group be y

if number of girls and boys in every group is same, then

\frac{21}{x} + \frac{56}{x} = y

\frac{21 + 56}{x} = y\\x*y = 77 ....(1)

from (1) x will either be 11 or 7

for x = 11 the values won't be real.

For x = 7\\y = \frac{77}{7} \\y = 11

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6 0
3 years ago
Translating verbal sentences: 16 decreased by a number is 27
Julli [10]
16 - x = 27
x = -11



16 - x = 27

16 = 27 + x

16 - 27 = x

-11 = x
4 0
3 years ago
I don’t know if it’s wrong or not
faltersainse [42]
I actually think that it is 50
5 0
3 years ago
If m angle GEF is thirteen less than five times m angle DEG and m angle DEF = 149º, find m angle GEF. ​
Nina [5.8K]

Answer:

122*

122 degrees

Step-by-step explanation:

m∠GEF is 13 less than 5 times m∠DEG and m∠DEF = 149*

Solution:

As per given data,

m∠GEF = 5m∠DEG - 13* … (i)

m∠DEF = 149* -> m∠GEF + m∠DEG = 149* .. (ii)

Substituting value of m∠GEF in (ii)

We get,

(5m ∠DEG - 13*) + m∠DEG = 149*

6m ∠DEG - 13* = 149*

6m ∠DEG = 149* + 13* = 162*

m∠DEG = * = 27*

Substituting value of m∠DEG in (i)

We get,

m∠GEF = 5(27*) - 13*

m∠GEF = 135* - 13* = 122*

7 0
2 years ago
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