3 years ago

Help me with this please

Mathematics

1 answer:

RUDIKE [14]3 years ago

5 0

Answer: 24

Step-by-step explanation: The first side is 2 by 4 by 1 which equals 8. The middle is 2 by 2 by 2 which equals 8. The last side is 2 by 4 by 1 which equals 8. 8 plus 8 plus 8 equals 24.

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cho phương trình 2x^2-5x-9 có hai nghiệm là x1,x2. không giải phương trình, hãy tính giá trị của biểu thức A= x1^2+x2^2-2x1x2^2

irga5000 [103]

Step-by-step explanation:

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8 0

3 years ago

2. IQS = 4 and QR is a perpendicular bisector of TS , determined which of the following claims is true

Pavel [41]

Answer:

RS=5 TRUE

RS=4 FALSE (it’s 5)

ST=10 FALSE (it’s 8)

QR=4 FALSE (its 3)

Step-by-step explanation:

First, we have to determine the sides of the triangle.

4x-3=2x+1

4x-2x=1+3

2x=4

x=2

SO, RS=4x-3=4(2)-3=8-3=5

RT=2(x)+1=2(2)+1=5

QR=4²+b²=5². 16+b²=25. b²=25-16. b²=9. b=3

CLAIMS:

RS=5 TRUE

RS=4 FALSE (it’s 5)

ST=10 FALSE (it’s 8)

QR=4 FALSE (its 3)

3 0

3 years ago

4 + x = 12 solve equation ///ASAP /// WILL MARK BRAINLIEST

Bess [88]

Answer:

Answer is 8.

Step-by-step explanation: 12-4=8 so 4+8=12

hoped this helped you

4 0

3 years ago

Use 2 unit multipliers to convert 4 square feet to square inches

allochka39001 [22]

Answer:

4 square feet is equal 576 square inches

Step-by-step explanation:

to convert 4 square feet to square inches

Now, We know that 1 feet = 12 inches

∴ $1^{2} \ feet = 12^2 \ inches\\1\ square\ feet= 144 \ square \ inches\\$

Now we need to find 4 square feet

$4 \times 1\ square\ feet= 4\times 144 \ square \ inches\\4 \ square\ feet= 576 \ square \ inches$

5 0

3 years ago

75% letter size paper and 25% legal size paper. What is the ratio of letter size paper to legal size paper

ruslelena [56]

Answer:

3:1

Step-by-step explanation:

75%= $\frac{75}{100}$ = $\frac{3}{4}$

25%= $\frac{25}{100}$ = $\frac{1}{4}$

3 0

3 years ago