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dmitriy555 [2]
3 years ago
6

Helllllppppp pleaaaseeeee

Mathematics
2 answers:
scZoUnD [109]3 years ago
7 0
23 is the coefficient.
The coefficient is the numeral placed before the variable.
daser333 [38]3 years ago
5 0
It's d) 23 because a coefficient is the number before a letter. hope i helped :)
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A train traveled 210 miles in 3.5 hours to its first stop. It then continued on traveling another 130 miles in 2.5 hours. What w
valkas [14]
T = 6 [h]
s = 340 [mi]

v=s/t=340/6=56.7 [mi/h]
Answer C.
8 0
3 years ago
Coral spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is
Juliette [100K]
X=weekly allowance
x/2=money saved  (=  money spent).
We can suggest this equation:

x/2+4=12

lowest common multiple=2
x+8=24
x=24-8
x=16

Answer: her weekly allowance is $16.
7 0
2 years ago
The diagonal of a side of rhombus are of equal length. Find the measures of angles of the rhombus.​
sergij07 [2.7K]

<u>Explanation</u><u>:</u>

Consider ABCD is a rhombus

We know that

All sides are equal in rhombus i.e,

⇛AB=BC=CD=DA

and AC and BD are digonals

Given that

Diagonal and the side of the rhombus are equal.

⇛AB = BC = CD = DA = AC

Diagonal AC divides the rhombus into two triangles .

They are ∆ BAC and ∆ DAC

In triangle BAC

BA=BC=AC,(Given)

⇛∠ BAC=∠ABC= ∠ACB =60°→→→Eqn(i)

Similarly in ∆DAC ,

DA=DC=AC

⇛∠DAC=∠ACD=∠ADC=60°→→→Eqn(ii)

From eqn(i) and eqn(ii)

∠A=∠BAC+∠DAC=60°+60°=120°

and

∠B= ∠ABC = 60°.

and

∠C=∠ACB+∠ACD=60°+60°=120°

and

∠D =∠ADC=60°

∴ ∠A = 120° , ∠B = 60° ,∠C = 120° & ∠D = 60°

<u>Answer:</u><u>-</u>The measures of the all angles in the rhombus are 120° , 60° ,120° and 60°.

Note: [Figure refers in the attached file.

7 0
2 years ago
Need answers to three questions in picture will give brainly
Trava [24]

Answer:

3. the answer is A3

Step-by-step explanation:

you do 3x-1 and you get 3

6 0
2 years ago
Read 2 more answers
Guys pls help me with this
Serggg [28]

Answer:

3.since two base side are equal

4.sum of interior angle of the triangle is 180

9.base angle of isosceles triangle

16.the inscribed angle from the diameter is 90°

21.being CAE=90°

7 0
3 years ago
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