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IgorC [24]
3 years ago
8

Find D if c = 245 245 = 25d + 45SHOW YOUR WORKINGFIRST TO ANSWER GETS BRAINLIEST

Mathematics
2 answers:
emmasim [6.3K]3 years ago
7 0

Answer:

8

Step-by-step explanation:

Use the rule in algebra: change side,change sign... (when you move a digit, see whether it's +,-,× or ÷ and work out the opposite to get the letter on its own.

alexandr1967 [171]3 years ago
7 0

Answer:

the answer is 8 working out is shown below

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Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below. A rectangle
g100num [7]

Given :

A rectangle with a length of 3 x and height of x. If Kyle uses 18 feet of wood to make the frame.

To Find :

The length of the frame.

Solution :

We know, perimeter of the rectangle is given by :

P=2(l+b)\\\\P=2(3x+x)\\\\P=8x

Now, it is given that 18 feet of wood is used.

So,

8x=18\\\\x = 2.25\ feet

Therefore, length of frame is given by  3x = 6.75 feet.

Hence, this is the required solution.

5 0
3 years ago
Read 2 more answers
(2,1) (0,-7) write in slope intercept form please hurry!
KATRIN_1 [288]
Find slope: (y2-y1)/(x2-x1)
(-7-1)/(0-2) = -8/-2 = 4
Slope int form: y = mx + b
Y = 4x + b
Plug in a point
1 = 4(2) + b, b = -7
Equation: y = 4x - 7
4 0
3 years ago
Which function forms a geometric sequence when x = 1, 2, 3, ...?
jeka94
The geometric sequence is found in the relationship between consecutive terms that is constant.
 In this problem, as I understand it, none of the functions forms a geometric sequence.
 The functions that form a geometric sequence have the form
 f (x) = h (a) ^ n where "a" is the constant relation between the successive terms.
 If you wrote the function "f (x) = - 2 (3/4) x", you wanted to write instead:
 f (x) = - 2 (3/4) ^ x
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4 0
4 years ago
Please help with 1 question thank you.
frosja888 [35]
Let's replace the first, second, third, and home with letters.
first base = F
second base = S
Third base = T
home base = H
We have two triangles, ΔHTS and ΔHFS
We know HS = HS because it's a shared side.
We know FS = TS
We know that ∠HST and ∠HSF are equal.
Because of SAS, the two triangles are congruent.

According to CPCTC, TH must be congruent to FH.
Thus, the distance from home plate to third base and the distance from home plate to first base must be the same.

Have an awesome day! :)
7 0
4 years ago
Which equation could be used to solve for the length of side c, given a = 5, b = 12, and C = 72°?
Alona [7]

Answer:

The value of the length of the side C is 11.49.

Step-by-step explanation:

Cosine formula is applicable.

c² = a² + b² -2abcos(C)

substitute the values:

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= 25 + 144 - 2 (60) (0.309)

= 169 - 37.08

c² = 131.92

square root both sides:

c = sqrt(131.92)

C = 11.49

5 0
3 years ago
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