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ddd [48]
2 years ago
10

Please help. Algebra.

Mathematics
1 answer:
Tanya [424]2 years ago
6 0

Answer: The Answer is (A)

Step-by-step explanation: Have a brilliant day mate! - Lily ^-^

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What word describes the "4" in the expression 4x - 10?
Lynna [10]

Answer:

4 is a coefficient

Step-by-step explanation:

4x - 10

x is the variable and 4 is the coefficient since it is next to the variable

-10 is the constant

4x is a term

4x-10 is a sum

6 0
3 years ago
Kim had 160 cards in a box.She gave 4/10 of the cards to maddy.How many cards did Kim have left in the box
Marysya12 [62]
\text {Total cards = 160}

\text {Cards gave to Maddy = }  \dfrac{4}{10}  \times 160 = 64


\text {Cards left = } 160 - 64 = 96



------------------------------------
Answer: Cards left = 96 
------------------------------------
4 0
3 years ago
a mountaineer climbed 1,000 feet at a rate of x feet per hour, he climbed and additional 5,000 feet at a different rate. this ra
marshall27 [118]

A mountaineer climbed 1000 feet at a rate of x feet/hour

 1000 = x ( t 1 )         eq1

  5000 = X ( t 2)        eq2     ( he climbed additional at different rate )

the rate was 10 feet / hour less than twice the first rate

 X   = 2x - 10             eq3

take eq1 and eq 2

( total time = t 1 +  t 2 =   T)

T = 1000/x  + 5000/X

but X = 2x-10

T = 1000/x   +  5000/( 2x -10)

T = 1000/x   +  5000/( 2(x-5))

T  = 1000/x   +    2500 /  (x-5)



3 0
3 years ago
Read 2 more answers
Children who have lost some baby teeth have better arithmetic skills than children who have not lost any baby teeth. In fact, th
alisha [4.7K]
There is no coordination on a baby losing his teeth it just happens
7 0
3 years ago
∠ and ∠ are supplementary angles. If ∠ = (2 − 30)° and ∠ = 4, find the measure of the larger angle
Gala2k [10]

Answer:

We get ∠A =40° and ∠B = 140° and ∠B = 140° is measure of larger angle

Step-by-step explanation:

we have  ∠A = (2x − 30)° and ∠B = 4x, and we need to find measure of larger angle. And ∠A and ∠A are supplementary angles.

If the angles are supplementary there sum is equal to 180° i.e ∠A + ∠B = 180°

So,  First we have to find the value of x. and then we can determine larger angle.

We know: ∠A + ∠B = 180

2x-30+4x=180

6x-30=180

6x=180+30

6x=210

x=210/6

x=35

So, value of x is x=35

Now finding ∠A and ∠B

∠A = (2x − 30)°

∠A = (2(35) − 30)°

∠A = (70 − 30)°

∠A =40°

and ∠B = 4x

∠B = 4(35)

∠B = 140°

So, we get ∠A =40° and ∠B = 140° and ∠B = 140° is measure of larger angle

6 0
3 years ago
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