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densk [106]
3 years ago
5

* GEOMETRY please help me show the work for 9, 10, and 11!!

Mathematics
1 answer:
KiRa [710]3 years ago
5 0

9) Diagonals of a parallelogram bisect each other, so KN=NM. Thus, KM=13.5+13.5=27 cm

10) Opposite sides of a parallelogram are congruent, so LM=KJ=17 cm

11) Based on Question 9, MN=13.5 cm

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Jada received a gift of $180. In the first week, she spent a third of the gift money. She continues spending a
Sloan [31]

Answer:

180 minus 60 equals 120

Step-by-step explanation:

1/3 of 180 equals 60 so you would take 60 out of 180 to get 120 and 120 would be the amount that she spent the rest of the weeks

7 0
3 years ago
(-4, 2) and (3, -3)?
Gnom [1K]

Answer:

m=-\frac{5}{7}; see graph.

Step-by-step explanation:

Using the slope formula:

m=\frac{rise}{run}=\frac{-3-2}{3+4}=\frac{-5}{7}=-\frac{5}{7}

6 0
3 years ago
Perform the indicated operation.(3/a+2) + (4/a-5)
kipiarov [429]

Answer:

\frac{7(a-1)}{(a+2)(a-5)}

Step-by-step explanation:

To solve this operation we need to find the common multiple of both denominators and solve for a.

\frac{3}{a+2} + \frac{4}{a-5} =\frac{3(a-5)+4(a+2)}{(a+2)(a-5)} =\frac{3a-15+4a+8}{(a+2)(a-5)} =\frac{7a-7}{(a+2)(a-5)} =\frac{7(a-1)}{(a+2)(a-5)}

Thus, the solution is 7(a -1) / (a+2)(a-5)

8 0
4 years ago
Al graficar la siguiente función: f(x) = -3x
Anon25 [30]

Step-by-step explanation:

f(x) =  - 3x \\ at \: (0, \: 0) \\ f(0) =  - 3 \times 0 \\ f(0) = 0

6 0
3 years ago
Which expressions represent the difference of exactly two expressions? Choose 3 answers: Choose 3 answers: (Choice
Ket [755]

Solution

To find out which expressions represent the difference of exactly

two expressions

a) 6(x+7) - 2

This can be simplified as

6x + 42 - 2

6x + 40

Clearly this does not represent difference of the two

expressions .


b) -2j

Clearly this represents a single expression , this does not represent

a difference of 2 expression .


c) 4f - 2g

Here we have 2 different expressions 4f and 2g

Difference of these 2 expressions are 4f - 2g

Hence , this option represent difference of exactly two

expression


d) 3xyz - 10

3xtz - 10 represnts a single expression

Here we have a single expression

Therefore it does not represent difference of exactly 2

expression .

3 0
3 years ago
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