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Maru [420]
1 year ago
9

What value of x will make triangles ABM and DCM congruent? 3 5 7 9

Mathematics
1 answer:
kykrilka [37]1 year ago
6 0
The congruent side is going to be 9
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Can somebody please help with these two questions?
Nitella [24]

Answer:

#3: x is approximately 0.37, -5.37, #4: x is approximately 4.19, -1.19

Step-by-step explanation:

You can solve using the quadratic equation or by solving with the perfect square

\frac{-b+/-\sqrt{b^{2}-4ac} }{2a} = x^{2}+5x-2=0\\ \frac{-5+/-\sqrt{5^{2}-4(1)(-2) }}{2(1)}

x is approximately 0.37, -5.37

6 0
2 years ago
On a map, 9 cm represents 15 miles. If the distance between two cities on the map is 15 cm, how many miles separate the cities?
torisob [31]

Answer:

15 cm on the map is equal to 25 miles.

Step-by-step explanation:

Given that,

On a map, 9 cm represents 15 miles.

The distance between two cities is 15 cm. We need to find the distance in miles.

9 cm = 15 miles

1\ cm=\dfrac{15}{9}\ \miles

So, 15 cm is equal to,

15\ cm=\dfrac{15}{9}\times 15\ miles\\\\=25\ miles

So, 15 cm on the map is equal to 25 miles.

4 0
3 years ago
A triangle is reflected across line l and then line m. If the lines intersect, what kind of isometry is this composition of refl
nexus9112 [7]
The answer is glide reflection
8 0
2 years ago
Read 2 more answers
A swimmer swam 48 kilometers in d days. What is the value of d if the averge amount swan was 3.2 kilometers?
AnnZ [28]

To find the number of days, divide the total swam by the average:

Days = 48 / 3.2 = 15

They swam for 15 days.

3 0
2 years ago
Hi im having troble cobineing like terms -10a - 9n + 16 - 30 + 3n + 15a + 50 + a​
goldenfox [79]

Answer:

6a-6n+36

Step-by-step explanation:

-10a-9n+16-30+3n+15a+50+a

Combine a...

-10a+15a= 5a+a=6a

Combine n...

6a-9n+16-30+3n+50

-9n+3n= -6n

6a-6n+ 16-30+50

Combine # w no variable

Answer: 6a-6n+36

5 0
2 years ago
Read 2 more answers
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