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frez [133]
3 years ago
12

HELP. WILL MARK BRAINLIEST

Mathematics
2 answers:
gladu [14]3 years ago
8 0
4y+5=4y-6 doesn't have a solution because you need to subtract 4y from both sides so you do 4y+5-4y=4y-6-4y so 5= -6 and then you subtract 5 from both sides which is 5-5=-6-5 and 0=-11.
Alex3 years ago
8 0

Answer:

4y+5=4y-6

Step-by-step explanation:

It has no solution, because if

4y+5=4y-6

then

4y -4y = -6-5

So,

0 = -11 and we have no solution! the variable y was cancelled and we couln't find the solution.

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Help fast!!!
torisob [31]
Expected is -3
Expect to lose $3… bad game right there!
5 0
2 years ago
Joe is saving for a new online video game. He has some money already in his savings, and he can add $2.50 each week. This relati
DedPeter [7]

Answer: Y=2.50x+b

Step-by-step explanation:

Thats not the whole answer, you didnt attach the graph but what you need to do is find the y-intercept and put that into b and theres your equation. The y-intercept(B) represents the initial  money that joe had in his savings the 2.50x part or the slope is the money that he states he can add each week.

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4 0
3 years ago
Read 2 more answers
Find the first 4 terms in the expansion of ( 1 + x 2 ) 8. Use your answer to find the value of ( 1.01 ) 8
anyanavicka [17]

(1+x^2)^8

=(1+8x^2+8*7/(1*2)x^4+8*7*6/(1*2*3)x^6+8*7*6*5/(1*2*3*4)x^8+....)

=1+8x^2+28x^4+56x^6+70x^8+....)

For x<1, higher power terms diminish in value, hence we can approximate powers of numbers.

1.01=(1+0.1^2) => x=0.1 in the above expansion

(1.01)^8

=1+8(0.1^2)+28(0.1^4)+56(0.1^6) [ limited to four terms, as requested]

=1+0.08+0.0028+0.000056 (+0.00000070)

=1.082856 (approximately)

7 0
3 years ago
If x = 5 cm, y = 12 cm, and z = 13 cm, what is the surface area of the geometric shape formed by this net?
Lera25 [3.4K]

Answer:

the answer is C.  210 sq. cm

Step-by-step explanation:

Find the area of the triangle

The area of one of the triangular faces can be found by using the formula below.  

a = 1/2 bh

a = 1/2 (5 cm) (12 cm)

a = 30 sq. cm

Since there are two triangular faces, multiply the area of one triangular face by 2. The area of two triangular faces is 60 cm2.

Next, find the area of each of the three rectangular faces using the formula, area = lw.

1st rectangle

a = lw

a =  (5 cm) (5 cm)

a = 25 sq. cm

2nd rectangle

a = lw

a = (5 cm) (12 cm)

a = 60 sq. cm

3rd rectangle

a = lw

a = (5 cm) (13 cm)

a - 65 sq. cm

Add the three rectangle areas to find a total of 150 sq. cm.

To find the surface area of the triangular prism, add the area of the two triangular faces to the area of the three rectangular faces.

60 sq. cm + 150 sq. cm = 210 sq. cm

4 0
3 years ago
What value of x satisfies the equation 7x+1=2.4 ?
yuradex [85]
5.6 because    7=1=8          so    8-2.4=5.6

hope this helped please leave a thank you
3 0
3 years ago
Read 2 more answers
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