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2 years ago

What ratios are equivalent with 7 : 4?

Mathematics

2 answers:

Vikentia [17]2 years ago

8 0

Hello there! Hope this helps!

14 : 8 21 : 12 28 : 16 35 : 20 42 : 24 49 : 28 56 : 32 63 : 36 70 : 40

77 : 44 84 : 48 91 : 52 98 : 56 105 : 60

112 : 64 119 : 68 126 : 72 133 : 76 140 : 80

147 : 84 154 : 88 161 : 92 168 : 96 175 : 100

182 : 104 189 : 108 196 : 112 203 : 116 210 : 120

217 : 124 224 : 128 231 : 132 238 : 136 245 : 140

252 : 144 259 : 148 266 : 152 273 : 156 280 : 160

287 : 164 294 : 168 301 : 172 308 : 176 315 : 180

322 : 184 329 : 188 336 : 192 343 : 196 350 : 200

357 : 204 364 : 208 371 : 212 378 : 216 385 : 220

392 : 224 399 : 228 406 : 232 413 : 236 420 : 240

427 : 244 434 : 248 441 : 252 448 : 256 455 : 260

462 : 264 469 : 268 476 : 272 483 : 276 490 : 280

497 : 284 504 : 288 511 : 292 518 : 296 525 : 300

532 : 304 539 : 308 546 : 312 553 : 316 560 : 320

567 : 324 574 : 328 581 : 332 588 : 336 595 : 340

602 : 344 609 : 348 616 : 352 623 : 356 630 : 360

637 : 364 644 : 368 651 : 372 658 : 376 665 : 380

672 : 384 679 : 388 686 : 392 693 : 396 700 : 400

Bess [88]2 years ago

5 0

Answer:

14 : 8

Step-by-step explanation:

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The sum of 5 consecutive even numbers is 100. What is the first number in this sequence?

gayaneshka [121]

Answer:

Step-by-step explanation:

Let's represent this with an equation, where x is the first number. The next number must be x+2, because it has to be even, not x+1, and the rest continue the same way:

x+(x+2)+(x+4)+(x+6)+(x+8) = 100

Solve for x.

5x+20 = 100

5x = 80

4 0

3 years ago

Solve x2 + 15x = –56.

Black_prince [1.1K]

15x = 7x + 8x

$x^2+15x=-56\\\\ x^2+15x+56=0\\\\ x^2+7x+8x+56=0\\\\x(x+7)+8(x+7)=0\\\\ (x+7)(x+8)=0 \\\\ x=-7 \ or \ x=-8$

6 0

3 years ago

Read 2 more answers

What is the circumference of a circle with a diameter of 8 feet? Use 3.14 for ON d=80 O A. 25.12 ft B. 12.56 ft C. 50.24 ft D. 1

Andrew [12]

Answer:

25.12

Step-by-step explanation:

Formula: 2πr, r = d/2

Given: π = 3.14, d = 8

Sub: r = 8/2

Simplify: r = 4

Sub: 2(3.14)(4)

Simplify: 6.28(4)

Solve: 25.12

8 0

3 years ago

The point (0, 0) is a solution to which of these inequalities? A. Y - 7 < 2 x - 6 B. Y - 6 < 2 x - 7 C. Y + 7 < 2 x - 6

SCORPION-xisa [38]

Answer:

A. y - 7 < 2 x - 6

Step-by-step explanation:

When you put the given values into the inequalities, you get ...

A: -7 < -6 . . . . true

B: -6 < -7 . . . . false

C: 7 < -6 . . . . .false

D: 7 < 6 . . . . . false

4 0

2 years ago

Assuming the conditions regarding the motion represented in the graph remain the same, determine the acceleration of the object

vovikov84 [41]

(a)

We can see that

this is a straight line

and this is the graph of velocity

we know that

acceleration is the derivative of velocity

so, slope of curve of velocity is acceleration

so, we will find slope of this line

We can select any two points

(0,4) and (5,7)

we can use slope formula

$m=\frac{y_2-y_1}{x_2-x_1}$

now, we can plug points

$m=\frac{7-4}{5-0}$

$m=0.6$

we know that slope of line is always constant irrespective of any value of t

so, acceleration will always be same irrespective of any value of t

so, we will get acceleration

$a(t)=0.6m/s^2$ ............Answer

(b)

we can see that acceleration is constant

and we know that

derivative of constant is always 0

so, instantaneous rate of acceleration at t=10s is 0........Answer

7 0

3 years ago

Read 2 more answers